Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

What is the primary difference between the myocardium of atria and ventricles?
Options
A Atria have a thicker myocardium.
B Ventricles have a thicker myocardium.
Correct Answer
C Both have equally thick myocardium.
D Atria lack myocardium.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Ventricles have a much thicker myocardium than atria because they must generate higher pressure to pump blood out of the heart to the lungs or the rest of the body.

Hint

These chambers have thicker walls because they pump blood greater distances.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1849 of 2214
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