题目
7.[单选题] To maintain homeostasis, the___of hormones must be turned on and off as needed.A. seductionB. selectionC. secretionD. sensation
7.[单选题] To maintain homeostasis, the___of hormones must be turned on and off as needed.
A. seduction
B. selection
C. secretion
D. sensation
题目解答
答案
C. secretion