Question Detail

BIO 102 Mechanisms of Animal Respiration and Circulation Objective Question
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Question

Oxygenated blood returning from the lungs first enters which chamber of the heart?
Options
A Right atrium
B Right ventricle
C Left atrium
Correct Answer
D Left ventricle
Correct Answer

Option C is the correct answer.

Detailed Explanation

Oxygenated blood from the lungs fills the left atrium before moving to the left ventricle.

Hint

It comes back via the pulmonary veins to the left side.

Question Info

Course: BIO 102
Topic: Mechanisms of Animal Respiration and Circulation
Type: Objective
Difficulty: Not specified
Question 134 of 802
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