Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

In a CLOSED circulatory system, blood:
Options
A Flows freely between tissues before returning to the heart
B Leaves vessels and enters body cavities
C Remains within a closed system of vessels and returns to the heart without leaving
Correct Answer
D Is not pumped by the heart but moves by osmotic pressure
Correct Answer

Option C is the correct answer.

Detailed Explanation

In a closed circulatory system, blood remains within a closed system of vessels (arteries, veins, capillaries) and returns to the heart without leaving the vessels. This is characteristic of vertebrates and some invertebrates like annelids.

Hint

In this system, blood is always contained within blood vessels.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 983 of 2214
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