describe the structural organization of the human body

Chemical, cellular, tissue, organ, organ system, organism. View ANP 1105 Notes.docx from ANP 1105 at University of Ottawa. See below Figure 1.1. These include the chemical, cellular, tissue, organ, organ system, and the organism level. Therefore, molecules combine to form cells, cells combine to form tissues, tissues combine to form organs, organs combine to form organ systems, and organ systems combine to form organisms. An organ is a structure that consists of two or more types of tissues that work together to do the same job. This layer allows nerves and blood to flow to the individual fibers. Organs that work together are grouped into organ systems. Basic Body Structure and Organization. The organization of the body often is discussed in terms of six distinct levels of increasing complexity, from the smallest chemical building blocks to a unique human organism. Each organ performs one or more specific physiological functions. The female ovaries and the male testes are a part of which body system? Examples of human organs include the brain, heart, lungs, skin, and kidneys. Basic unit of matter 3. There are several levels of organization to this structure, with each level more complex than the last. • The smallest layer of structural: organisation. A muscle consists of many muscle tissues bundled together and surrounded by epimysium, a tough connective tissue similar to cartilage. There are many different organs in the body: the liver, kidneys, heart, even your skin is an organ. Atoms, particles of matter, combine to form molecules, such as water. An organ is a structure that consists of two or more types of tissues that work together to do the same job. The Levels of Organization The body can be studied at six structural levels: chemical, cell, tissue, organ, organ system, and organism (figure 1.1). 1. Molecule 4. To study the chemical level of organization, scientists consider the simplest building blocks of matter: subatomic particles, atoms and molecules. In humans, as in all organisms, cells perform all functions of life. In multicellular organisms, including humans, all cells, tissues, organs, and organ systems of the body work together to maintain the life and health of the organism. Describe the chemical, cellular, tissue, organ, organ system, and organismal levels of structural organization in the body Name the eleven organ systems of the human body, identifying the major organs found in each, and identify at least one major function of each Organ system level– One or more organs work in unison to accomplish a common purpose. The next level of organization in the body is that of the organ. This is when similar types of cells come together to form tissue in the body. Describe the four basic human body structure units and their functions The four basic human body structure units and their functions are: Cells, Tissues, Organs, and Systems. Structural Organization of the Human Body by OpenStaxCollege is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted. Organs and Organ Systems. This book covers eleven distinct organ systems in the human body ([link] and [link]). Cell. B.List the eleven organ systems, identify their components,and describe the major functions of each system. Chromosome, the microscopic threadlike part of the cell that carries hereditary information in the form of genes.A defining feature of any chromosome is its compactness. We will begin with the simplest level within the structural hierarchy. An organ is a group of tissues that constitutes a distinct structural and functional unit. Introduction to the Human Body. 2. Structures of the Human Body. Organ Systems of the Human Body. The smallest unit of any of these pure substances (elements) is an atom. All matter in the universe is composed of one or more unique pure substances called elements, familiar examples of which are hydrogen, oxygen, carbon, nitrogen, calcium, and iron. Levels of Structural Organization of the Human Body. For instance, the heart and blood vessels work together and circulate blood throughout the body to provide oxygen and nutrients to cells. Chemical level – To study the chemical level of organization, scientists consider the simplest building blocks of … Tissue Level. The organism level is the highest level of organization. • The body is made up of various chemicals. Before you begin to study the different structures and functions of the human body, it is helpful to consider its basic architecture; that is, how its smallest parts are assembled into larger structures. The different organ systems each have different functions and therefore unique roles to perform in physiology. Levels of Structural Organization of the Human Body. It is convenient to consider the structures of the body in terms of fundamental levels of organization that increase in complexity, such as (from smallest to largest): chemicals, cells, tissues, organs, organ systems, and an organism. Skin, the largest organ in the body, is shown in Figure 4. Cell – smallest independently functioning unit of a living organisms. Made of atoms 2. The epimysium surrounds bundles of nerve cells that run in long fibers, called fascicles. Organ Systems of the Human Body (continued), Creative Commons Attribution 4.0 International License, Describe the structure of the human body in terms of six levels of organization, List the eleven organ systems of the human body and identify at least one organ and one major function of each. Cells • Muscle cells • Nerve cells • Blood cells • The building blocks of the human body. In multicellular organisms, including humans, all cells, tissues, organs, and organ systems of the body work together to maintain the life and health of the organism. To study the chemical level of organization, scientists consider the simplest building blocks of matter: subatomic particles, atoms and molecules. In fact, most organs contribute to more than one system. We can think of the basic structure and functional organization of the human body as a pyramid or hierarchical arrangement in which the lowest level of organization (the foundation) consists of cells and chemicals. An organ is a structure that contains at least two different types of tissue functioning together for a common purpose. Molecules are the chemical building blocks of all body structures. 1.1 Describe the four basic human body structure units and their functions The four basic human body structures and their functions are as follows: • Cells • Tissues • Organs • Systems Cells Cells have been identified as the simplest unit of living matter that can maintain life. Final MAST 1120 Cognitive (Knowledge) Describe structural organization of the human body. Molecules form organelles, the basic component of cells. Each bacterium is a single cell. The smallest unit of any of these pure substances (elements) is an atom. It is convenient to consider the structures of the body in terms of fundamental levels of organization that increase in complexity: subatomic particles, atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms and biosphere ([link]). Two or more atoms combine to form a molecule, such as the water molecules, proteins, and sugars found in living things. A tissue is a group of many similar cells (though sometimes composed of a few related types) that work together to perform a specific function. Name the six levels of organization of the human body. Example: DNA (Deoxyribonucleic acid) 5. 1. The human body has 6 main levels of structural organization. Most people are familiar with the functions of the major organs in the human body, but cells are where the magic happens. The Levels of Organization Atom 2. Assigning organs to organ systems can be imprecise since organs that “belong” to one system can also have functions integral to another system. A cell is the smallest independently functioning unit of a living organism. All living structures of human anatomy contain cells, and almost all functions of human physiology are performed in cells or are initiated by cell. This book covers eleven distinct organ systems in the human body (Figure 2 and Figure 3). Organs and Organ Systems After tissues, organs are the next level of organization of the human body. Basic units of structure in the body 2. But they also secrete hormones, as does the endocrine system, therefore ovaries and testes function within both the endocrine and reproductive systems. Describe the structure of the body, from simplest to most complex, in terms of the six levels of organization; Identify the functional characteristics of human life; Identify the four requirements for human survival; Define homeostasis and explain its importance to normal human functioning Tissue is composed of groups of cells that possess a common function. The tissue level. Two or more atoms combine to form a molecule, such as the water molecules, proteins, and sugars found in living things. Thus, the heart is an organ composed of all four tissues, whose function is to pump blood throughout the body. These fascicles are surrounded by their own protective layer, the perimysium. Body structure and homeostasis Tissues, organs, & organ systems Learn about the main tissue types and organ systems of the body … STRUCTURAL ORGANIZATION OF THE HUMAN BODY 1.1. (I.C.1) 1. An organism is a living being that has a cellular structure and that can independently perform all physiologic functions necessary for life. Organs are the next level of organization in the body. Each organ performs one or more specific physiological functions. The human body is a single structure but it is made up of billions of smaller structures of four major kinds: Organs are the next level of organization in the body. Figure 1. Each fiber is then wrapped in an endomysium, anot… Organs and organ systems represent the highest levels of the body's organization (Figure 1). The organization of the body often is discussed in terms of six distinct levels of increasing complexity, from the smallest chemical building blocks to a unique human organism. A.Describe the six levels of organization of the body, anddescribe the major characteristics of each level. Imagine billions of microscopic parts, each with its own identity, working together in an organized manner for the benefit of the total being. Atoms are made up of subatomic particles such as the proton, electron and neutron. Structural Organization of the Human Body, Elements and Atoms: The Building Blocks of Matter, Inorganic Compounds Essential to Human Functioning, Organic Compounds Essential to Human Functioning, Nervous Tissue Mediates Perception and Response, Diseases, Disorders, and Injuries of the Integumentary System, Exercise, Nutrition, Hormones, and Bone Tissue, Calcium Homeostasis: Interactions of the Skeletal System and Other Organ Systems, Embryonic Development of the Axial Skeleton, Development and Regeneration of Muscle Tissue, Interactions of Skeletal Muscles, Their Fascicle Arrangement, and Their Lever Systems, Axial Muscles of the Head, Neck, and Back, Axial Muscles of the Abdominal Wall and Thorax, Muscles of the Pectoral Girdle and Upper Limbs, Appendicular Muscles of the Pelvic Girdle and Lower Limbs, Basic Structure and Function of the Nervous System, Circulation and the Central Nervous System, Divisions of the Autonomic Nervous System, Organs with Secondary Endocrine Functions, Development and Aging of the Endocrine System. Levels of Structural Organization of the Human Body The organization of the body often is discussed in terms of six distinct levels of increasing complexity, from the smallest chemical building blocks to a unique human organism. An organ is a structure made of two or more tissues that work together for a common purpose. The structure of the human body . Organs that work together are grouped into organ systems. Why or why not? 1. http://cnx.org/contents/14fb4ad7-39a1-4eee-ab6e-3ef2482e3e22@9.1, Describe the structure of the human body in terms of six levels of organization, List the eleven organ systems of the human body and identify at least one organ and one major function of each. It is convenient to consider the structures of the body in terms of fundamental levels of organization that increase in complexity: subatomic particles, atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms and biosphere (Figure 1.3). Figure 2. It comprises a head, neck, trunk (which includes the thorax and abdomen), arms and hands, legs and feet.. An organ system is a group of organs that work together to perform major functions or meet physiological needs of the body. Assigning organs to organ systems can be imprecise since organs that “belong” to one system can also have functions integral to another system. All living structures of human anatomy contain cells, and almost all functions of human physiology are performed in cells or are initiated by cells. A tissue is a structure made of many cells — usually several different kinds of cells … Each bacterium is a single cell. Examples of human organs include the brain, heart, lungs, skin, and kidneys. A human cell typically consists of flexible membranes that enclose cytoplasm, a water-based cellular fluid together with a variety of tiny functioning units called organelles. In humans, as in all organisms, cells perform all functions of life. Even bacteria, which are extremely small, independently-living organisms, have a cellular structure. Different chemicals combine to form the various molecules found in the human body. The organization of the body often is discussed in terms of six distinct levels of increasing complexity, from the smallest chemical building blocks to a unique human organism. By the end of this section, you will be able to: Before you begin to study the different structures and functions of the human body, it is helpful to consider its basic architecture; that is, how its smallest parts are assembled into larger structures. … A cell is the smallest independently functioning unit of a living organism. Molecules are the chemical building blocks of all body structures. Human beings are arguably the most complex organisms on this planet. An organ system is a group of organs that work together to perform major functions or meet physiological needs of the body. A cell is the basic unit of life. The human body is composed of a group of systems which are the digestive system, the respiratory system, the urinary system, the circulatory system, the nervous system and the reproductive system.. A human cell typically consists of flexible membranes that enclose cytoplasm, a water-based cellular fluid together with a variety of tiny functioning units called organelles. Molecules contain water, sugar, carbohydrates, lipids and proteins that form together to create cells What do Cells form in the structural organization of the human body? Learning this organizational structure can really help you visualize and understand how the human body is … An organism is a living being that has a cellular structure and that can independently perform all physiologic functions necessary for life. DESCRIBE THE LEVELS OF STRUCTURAL ORGANIZATION THAT MAKEUP THE HUMAN BODY 1.1.1. Cells 6. An organ is an anatomically distinct structure of the body composed of two or more tissue types. The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism. In the human body, if we start from the smallest to the largest, then it would be: 1. 1. All matter in the universe is composed of one or more unique pure substances called elements, familiar examples of which are hydrogen, oxygen, carbon, nitrogen, calcium, and iron. Organs that work together are grouped into organ systems. Even bacteria, which are extremely small, independently-living organisms, have a cellular structure. Cells form together to create tissues Can these organs be members of more than one organ system? The Organization and Structure of the Human Body The Organization and Structure of the Human Body The human body is made up of a complex structure of systems that all work together. What do Molecules form in the structural organization of the human body? These many functions can be summarized in terms of a few that we might consider definitive of human life: organization, metabolism, responsiveness, movement, development, and reproduction. The human body is the structure of a human being.It is composed of many different types of cells that together create tissues and subsequently organ systems.They ensure homeostasis and the viability of the human body.. The human body is incredibly complex, but it does have an underlying organization. Figure 1.1. Figure 3. All living structures of human anatomy contain cells, and almost all functions of human physiology are performed in cells or are initiated by cells. The female ovaries and the male testes are parts of the reproductive system. Cells Humans and all living things are made up of about 100 trillion small cells that can only be seen via a microscope. Levels of structural organization that make up the human body. Life processes of the human body are maintained at several levels of structural organization. There are … Higher levels of organization are built from lower levels. Levels of Structural Organization of the Human Body. Atoms are made up of subatomic particles such as the proton, electron and neutron. It is convenient to consider the structures of the body in terms of fundamental levels of organization that increase in complexity: subatomic particles, atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms and biosphere (Figure 1). 1. An organ is an anatomically distinct structure of the body composed of two or more tissue types. Organ Systems of the Human Body (continued). A tissue is a group of many similar cells (though sometimes composed of a few related types) that work together to perform a specific function. Organs and Organ Systems After tissues, organs are the next level of organization of the human body. 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