6 Questions
What is the primary function of vasoconstriction?
To restrict blood flow and retain body heat
How do warm-blooded animals in hot climates increase heat loss?
By panting and flushing
What is the primary mechanism of heat loss in hairless and short-haired mammals?
Sweating
What type of organism relies primarily on environmental heat sources to control body temperature?
Ectotherm
What is the effect of vasoconstriction on skin color?
It makes the skin appear paler
What is the primary advantage of ectotherms relying on environmental heat sources?
Ability to operate at very economical metabolic rates
Learn about vasoconstriction, the narrowing of blood vessels, and its effects on heat retention and skin appearance. Explore the phenomenon of panting in regulating body temperature, particularly in equatorial climates and during hot summers.
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