Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

Which of the following best describes the function of the diaphragm in mammals?
Options
A Facilitates negative pressure breathing by separating thoracic and abdominal cavities
Correct Answer
B Filters blood in the liver
C Expels urine from the bladder
D Contracts to pump the heart
Correct Answer

Option A is the correct answer.

Detailed Explanation

The diaphragm is a dome-shaped skeletal muscle that contracts and flattens to increase thoracic volume, decreasing pressure and drawing air into the lungs.

Hint

This muscle is unique to mammals.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 134 of 2214
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