Textbook Question
Groups of many cells working together to perform a common function are known as a(n):
a. Cell
b. Organ
c. Organ system
d. Tissue
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1. Introduction to Anatomy & Physiology
Levels of Organization
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
A muscle fiber is what level of organization in the body?
A
Organismal level
B
Cellular level
C
Organ level
D
Tissue level
Verified step by step guidance1
Begin by understanding the hierarchy of biological organization in the human body, which includes levels such as chemical, cellular, tissue, organ, organ system, and organismal.
Recognize that a muscle fiber is a single muscle cell, which is specialized for contraction and is the basic unit of muscle tissue.
Identify that the cellular level of organization refers to individual cells, which are the smallest units of life and perform specific functions.
Understand that muscle fibers, being individual cells, belong to the cellular level of organization, not the tissue, organ, or organismal levels.
Conclude that the correct classification for a muscle fiber is the cellular level, as it is a single cell within the muscle tissue.
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