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Biology 12 Chapter 15 Homeostasis - 23
1.
Which one reduces blood flow to the skin?
a) Shivering.
b) Vasoconstriction.
c) Piloerection.
d) Vasodilation.
2.
What is the erection of skin hair called?
a) Shivering.
b) Vasodilation.
c) Vasoconstriction.
d) Piloerection.
3.
What is the effector when body temperature falls?
a) Temperature sensitive cells in skin.
b) Sweat glands.
c) Control centre.
d) Skeletal muscles.
4.
What is the effector when body temperature rises?
a) Control centre.
b) Temperature sensitive cells in skin.
c) Sweat glands.
d) Skeletal muscles.
5.
Afferent pathway sends information to………..?
a) Control centre.
b) Sweat glands.
c) Temperature sensitive cells in skin.
d) Skeletal muscles.
6.
Efferent pathway sends information to………..?
a) Control centre.
b) Skeletal muscles.
c) None of these.
d) Temperature sensitive cells in skin.
7.
Efferent pathway sends information to………..?
a) None of these.
b) Control centre.
c) Temperature sensitive cells in skin.
d) Sweat glands.
8.
Efferent pathway sends information to………..?
a) Temperature sensitive cells in skin.
b) Effectors.
c) None of these.
d) Control centre.
9.
Excretion of hypotonic urine in humans is associated best with the?
a) Loop of Henle.
b) Glomerular capsule.
c) Distal convoluted tubule.
d) Proximal convoluted tubule.
10.
Excretion of hypertonic urine in humans is associated best with the?
a) Proximal convoluted tubule.
b) Glomerular capsule.
c) Distal convoluted tubule.
d) Loop of Henle.
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