Why is the phrenic nerve important? It controls the diaphragm. It carries signals to smooth and cardiac muscles. It carries signals from the whole arm.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Why is the phrenic nerve important?
O It controls the diaphragm.
It carries signals to smooth and cardiac muscles.
O It carries signals from the whole arm.
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Transcribed Image Text:RESET Why is the phrenic nerve important? O It controls the diaphragm. It carries signals to smooth and cardiac muscles. O It carries signals from the whole arm. Cancel Done
Expert Solution
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There are mainly 11 organ systems in the body. Some of the organ systems are the respiratory system, digestive and excretory system, circulatory system, urinary system, etc. The nervous system is considered the most important among them. 

The nervous system is a complex network of nerves that communicate messages between the brain and spinal cord to other parts of the body. It is separated into the central nervous system and peripheral nervous system. 

 

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