Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

What is the role of capillaries in the circulatory system?
Options
A Generate pressure
B Facilitate exchange of gases, nutrients, and waste with tissues
Correct Answer
C Return blood to the heart
D Produce red blood cells
Correct Answer

Option B is the correct answer.

Detailed Explanation

Capillaries are microscopic vessels with thin, permeable walls that allow diffusion of oxygen, carbon dioxide, nutrients, and waste between blood and interstitial fluid.

Hint

These are the smallest blood vessels and form beds throughout tissues.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 68 of 2214
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