Asked by Chelsey Voegele on May 14, 2024
Verified
Due to the contraction of smooth muscle in the walls of the dermal blood vessels,
A) the blood vessels become dilated.
B) body heat is conserved.
C) more blood enters into the heart.
D) body temperature tends to drop in that area.
E) more blood flows to the skin.
Arterioles
Small blood vessels that extend and branch out from arteries, leading to capillaries; they play a key role in regulating blood pressure.
Dermal Blood Vessels
Refers to the network of blood vessels situated within the dermal layer of the skin, which provide nutrients and regulate temperature.
- Explain the role of the skin in thermoregulation and homeostasis.
Verified Answer
JP
JUNED PATHANMay 19, 2024
Final Answer :
B
Explanation :
The contraction of smooth muscle in the walls of dermal blood vessels causes the vessels to constrict (narrow), which reduces blood flow to the skin. This action helps to conserve body heat by minimizing heat loss through the skin.
Learning Objectives
- Explain the role of the skin in thermoregulation and homeostasis.
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