Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

What distinguishes a closed circulatory system in vertebrates?
Options
A Blood flows freely between tissues.
B Blood remains within a system of tubes.
Correct Answer
C Blood is pumped into open cavities.
D Blood does not return to the heart.
Correct Answer

Option B is the correct answer.

Detailed Explanation

In a closed circulatory system, blood remains within a system of tubes (arteries, capillaries, veins) and returns to the heart without leaving the vessels.

Hint

Blood in this system is always contained within blood vessels.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1823 of 2214
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