Why Is There No Need for Insects to Have a Cardiovascular

question 39

Multiple Choice

Why is there no need for insects to have a cardiovascular system to allow for gas exchange?

• A) Carbon dioxide and oxygen are exchanged directly at the muscle cells.
• B) Diffusion of gasses occurs with the air directly.
• C) Insect cells do not conduct aerobic respiration.
• D) A and B only.
• E) B and C only.

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