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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
Anatomy & Physiology (6th Edition)
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