40. Circulatory System
Gas Exchange
Multiple Choice
Multiple ChoiceFor a body surface to be a respiratory surface, it must __________.
A
be dry and covered with hair
B
be moist and glandular
C
be thick and moist
D
be internal
E
be thin and moist
238
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Master Gas Exchange and Breathing with a bite sized video explanation from Jason Amores Sumpter
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