Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

How does an open circulatory system differ from a closed one?
Options
A Blood remains in vessels throughout the circuit.
B Blood flows freely between tissues before returning to the heart.
Correct Answer
C It operates under high pressure.
D It has elastic vessel walls to sustain pressure.
Correct Answer

Option B is the correct answer.

Detailed Explanation

In an open circulatory system, blood flows more or less freely between the tissues (in body cavities or sinuses) before eventually returning to the heart.

Hint

Blood in this system bathes organs directly before returning to the heart.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1824 of 2214
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