A few examples are as follows: I. The female ovaries and the male testes are parts of the reproductive system. An organism is a living being that has a cellular structure and that can independently perform all physiologic functions necessary for life. Molecules are the chemical building blocks of all body structures. body. 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An organ is an anatomically distinct structure of the body composed of two or more tissue types. intestine. For example, the Circulatory system transports the blood in the body and to and from the lungs. Two or more atoms combine to form a molecule, such as the water molecules, proteins, and sugars found in living things. They are Integumentary System, Skeletal System, Muscular System, Nervous System, Endocrine System, Cardiovascular System, Lymphatic System, Respiratory System, Digestive System, Urinary System, and Reproductive System (Female and Male). Group of organ systems that work together. A cell is the smallest independently functioning unit of a living organism. The 11 organ systems include the integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems. They are trying to answer the question, "What are the levels of organization in order?". An organism is a living being that has a cellular structure and that can independently perform all physiologic functions necessary for life. 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. Therefore, molecules combine to form cells, cells combine to form tissues, tissues . Muscle tissue: Muscle tissue consists of highly specialised contractile cells or fibres held together by connective tissue. (Image credit: that work together are grouped into organ systems. All living structures of human anatomy contain cells, and almost all functions of human physiology are performed in cells or are initiated by cells. -Levels of Structural Organization Six levels of structural organization, in order of increasing complexity. Muscle tissue. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Analytical cookies are used to understand how visitors interact with the website. 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). The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Human body: The physical component of the human organism, the human body is made up of extracellular and live cells and is divided into many tissues, organs, and systems. These four organs work together to rid the body of liquid waste. The structural and functional characteristics of all organisms are determined by their chemical makeup. Heart C. Spinal cord D. Nerves 2. Life processes of the human body are maintained at several levels of structural organization. Highest level of organization: cells>tissues>organs>organ systems>organism. The other major function on the cellular level is cellular differentiation, which facilitates the specific functions of cells and genes in the human body. 2. 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. Name the six levels of organization of the human body. The flower is the sexual reproduction organ. Multiple types of tissue and hence multiple types of cells make up an organ. The structural levels of organization determine the different levels of development in the human body, specifically during their growth during pregnancy. Brain B. The female ovaries and the male testes are a part of which body system? Q.2. Figure1.5Organ Systems of the Human Body (continued)Organs that work together are grouped into organ systems, The organism level is the highest level of organization. Molecules: The smallest component of a substance possesses both its chemical and physical characteristics. Section Summary. 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