Multiple Choice
Acting as levers for movement is a function of which organ system?
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1. Introduction to Anatomy & Physiology
Introduction to Organ Systems
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In most animals, combinations of various tissues make up functional units called:
A
organs
B
organelles
C
systems
D
cells
Verified step by step guidance1
Step 1: Begin by understanding the hierarchy of biological organization in animals. The smallest unit is the cell, which combines to form tissues, and tissues combine to form organs.
Step 2: Recall the definition of an organ. An organ is a structure composed of two or more types of tissues working together to perform specific functions.
Step 3: Compare the options provided: 'organelles' are subcellular structures within cells, 'systems' are groups of organs working together, and 'cells' are the basic building blocks of tissues.
Step 4: Recognize that the question specifies 'functional units' made up of combinations of tissues, which aligns with the definition of organs.
Step 5: Conclude that the correct answer is 'organs' based on the hierarchy and definitions provided.
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