Multiple Choice
In the context of cell communication, how do paracrine signaling and endocrine signaling differ?
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1. Introduction to Anatomy & Physiology
Introduction to Organ Systems
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Which of the following best describes an organ system?
A
A collection of organs that work together to perform a major function in the body.
B
A single organ that performs multiple functions.
C
A group of tissues working together to perform a specific function.
D
A group of cells that form a specific structure.
Verified step by step guidance1
Begin by understanding the hierarchy of biological organization: cells form tissues, tissues form organs, and organs form organ systems.
Recognize that an organ system is a higher level of organization than a single organ or tissue.
Consider the definition of an organ system: it is a collection of organs that work together to perform a major function in the body.
Differentiate between the options: a single organ performing multiple functions is not an organ system; it is simply an organ. A group of tissues working together forms an organ, not an organ system. A group of cells forming a specific structure is a tissue.
Conclude that the best description of an organ system is a collection of organs that work together to perform a major function in the body.
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