(Q).
Q: In the cardiovascular system, where is the ultimate destination of the oxygen-poor blood? Choices: - brain - liver - lung - heart A:
(A).
heart

(Q).
Q: What do people use from aquifers from springs or wells? Choices: - oxygen - salt - soil - fresh water A:
(A).
fresh water

(Q).
Q: What do the hair cells in the cochlea release when they bend? Choices: - receptors - hormones - lipids - neurotransmitters A:
(A).
neurotransmitters