Multiple Choice
When you step on a cockroach or smash a fly,the blood appears colorless because
A) the blood is enclosed in a closed circulatory system.
B) the blood is actually a colorless hemolymph that carries oxygen on molecules other than reddish hemoglobin.
C) there are no cells in the hemolymph.
D) it does not contain hemoglobin or any other respiratory pigment.
Correct Answer:
Verified
Correct Answer:
Verified
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