問題詳情
12. Negative-feedback mechanisms are:
(A) most often involved in maintaining homeostasis
(B) activated only when a variable rises above a set point
(C) analogous to a furnace that produces heat
(D) involved in contractions during childbirth
(E)found only in birds and mammals
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增