BI-2234
The breathing system
Biology · Secondary 4 · Medium · The breathing system
A person steps into a cold room and their body temperature starts to fall below normal. What changes occur in the sweat glands and in the blood flow through arterioles in the skin?
- sweat glands secrete more sweat; blood flow in skin arterioles increases
- sweat glands secrete more sweat; blood flow in skin arterioles decreases
- sweat glands stop secreting sweat; blood flow in skin arterioles decreases
- sweat glands stop secreting sweat; blood flow in skin arterioles increases
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