Question Detail

BIO 102 Mechanisms of Animal Respiration and Circulation Objective Question
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Question

What is the primary reason large animals with high metabolic rates require a circulatory system?
Options
A To maintain body temperature through water evaporation
B Because diffusion is too slow to transport materials over long distances
Correct Answer
C To provide a skeletal structure for muscle attachment
D To filter nitrogenous wastes directly through the skin
Correct Answer

Option B is the correct answer.

Detailed Explanation

Circulation provides rapid mass transport where simple diffusion would be inadequate or too slow for large organisms.

Hint

Think about the limits of passive movement.

Question Info

Course: BIO 102
Topic: Mechanisms of Animal Respiration and Circulation
Type: Objective
Difficulty: Not specified
Question 120 of 802
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