本题目来源于试卷: SL/HL Topic D3.3 Homeostasis，类别为 IB生物学
[单选题]
1. Which of the followi1no oahfc jix7tt-) lp.v3// rng are involved i4nld)ux8ti 7af8 e w)cn the loss of heat from the body of a mammal?)4 c87d)xf t 8ianlewu
I. Erection of skin hair.
II. Vasodilation.
III. Vasoconstriction.
IV. Respiration in brown adipose tissue.
A. I and II only
B. II and IV only
C. II only
D. I, II and IV only
参考答案: C
本题详细解析:
暂无
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