The correct sequence of levels forming the structural hierarchy is
organ, organ system, cellular, chemical, tissue, organismal;
chemical, cellular, tissue, organismal, organ, organ system;
chemical, cellular, tissue, organ, organ system, organismal;
organismal, organ system, organ, tissue, cellular, chemical.
Introduction:
In a human body, there are six main levels of structural organization. The simplest level of structural organization is a chemical level. The group of cells form tissue, group of tissue forms organ, group of organ forms organ system, and different organ system forms organism.
Answer to Problem 1MC
Correct answer:
(c) Chemical, cellular, tissue, organ, organ system, organismal.
Explanation of Solution
Explanation for the correct answer:
Option (c) is given as chemical, cellular, tissue, organ, organ system, organismal. The structural organization begins at the simplest level, that is, the chemical level. This level includes the simplest building blocks composed of matter such as atoms and molecules. This level is followed by the cellular level, which is made up of the cell. The cell is considered as the smallest, as well as the functional, unit of living organisms that can exist on its own. The cellular level is followed by the tissue, organ, organ system, and organismal level. Hence, option (c) is correct answer.
Explanation for the incorrect answers:
Option (a) is given as organ, organ system, cellular, chemical, tissue, organismal. The correct sequence of level forming structural hierarchy is chemical, cellular, tissue, organ, organ system, organismal. Hence, option (a) is an incorrect answer.
Option (b) is given as chemical, cellular, tissue, organismal, organ, organ system. The correct sequence of level forming structural hierarchy is chemical, cellular, tissue, organ, organ system, organismal. Hence, option (b) is an incorrect answer.
Option (d) is given as organismal, organ system, organ, tissue, cellular, chemical. The correct sequence of level forming structural hierarchy is chemical, cellular, tissue, organ, organ system, organismal. Hence, option (b) is an incorrect answer.
Therefore, it is concluded chemical, cellular, tissue, organ, organ system, organismal is the correct sequence of the level of structural hierarchy.
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Chapter 1 Solutions
LAB MANUAL A&P & MOD MSTG/ET SA ACC PK
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- The study of the functions of the structures of the body is known as _____________________________arrow_forwardMatch each of the following terms with the correct meaning. ________ Caudal a. Lying on the back, face upwards b. Farther from the point of attachment c. The front of the body or body part d. Toward the tail end of the spinearrow_forward_________ controls are inherent to an organ, whereas _________ controls are regulatory mechanisms initiated outside an organ that alter the activity of the organ.arrow_forward
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- Explain the structure of the body structural hierarchyarrow_forwardFill in the organ system table below by either describing the function of the organ system or by identifying the organ system described. Organ System Function Integumentary system Breaks down food into absorbable units that enter blood and are distributed to body cells; indigestible foodstuffs eliminated as feces. Respiratory system Filters blood and excretes metabolic wastes; regulates fluid and electrolyte balance, and pH homeostasis. Endocrine system Returns fluid leaked from blood vessels to blood; disposes of debris; houses white blood cells; carries out immune responses. Cardiovascular system Produces and transports gametes (sperm and egg cells); growth and development of new offspring. Muscular system Protects and supports body organs and provides a framework for muscles used to cause movement; forms blood cells and stores minerals. Nervous systemarrow_forwardWhich organizational level consists of related organs that work to achieve a common function? a. Chemical level b. Organ level c. Cellular level d. Organ system levelarrow_forward
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