Multiple Choice
Which sequence represents increasing complexity in humans?
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1. Introduction to Anatomy & Physiology
Levels of Organization
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Which of the following correctly lists the organizational levels of the human body from simplest to most complex?
A
Organism, Organ System, Organ, Tissue, Cell
B
Tissue, Cell, Organ, Organ System, Organism
C
Cell, Tissue, Organ, Organ System, Organism
D
Organ, Cell, Tissue, Organ System, Organism
Verified step by step guidance1
Begin by understanding the concept of organizational levels in the human body, which refers to the hierarchy of structural complexity from the smallest unit to the entire organism.
Identify the simplest level, which is the 'Cell'. Cells are the basic building blocks of all living organisms.
Next, recognize that 'Tissue' is the second level of organization. Tissues are groups of similar cells that perform a specific function.
Proceed to the 'Organ' level, where different types of tissues come together to form organs, each with specific functions.
Understand that 'Organ System' is the next level, where multiple organs work together to perform complex functions necessary for life.
Finally, acknowledge that the 'Organism' level is the most complex, representing the complete living entity capable of independent existence.
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