PNB 2250- Core Temperature Regulation Exam Study Guide
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Course
PNB 2250
Institution
PNB 2250
PNB 2250- Core Temperature Regulation
Exam Study Guide
Large animals - Ans:-heat is lost and gained slowly so on a hot day the animal never deviates much
from core temperature
-Doesn't need to replace heat as quickly
-only needs to eat 25% of body weight
Small animals - Ans:--Heat is gained a...
Specific heat capacity continued - Ans:✔✔-•A higher ! is an indication of the rapid transfer of
heat
•Materials with low ! are effective insulators
◦ Feathers, fat, skin
•k can be changed by
reducing blood flow to the
skin surface, posture (fetal
position), changing skin,
hair in feather coloration
Peripheral Vasodilation - Ans:✔✔--Blood vessels carry heat from within and out the surface
-If the blood vessels are prevented from bringing blood to the surface- decreases heat loss
External factors - Ans:✔✔--feathers, scales, skin thickness etc.
-environment, season activity
affects Hcr, Hr, and He
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