Homeostasis Flashcards
1
Q
Explain the advantages and disadvantages of endothermy
A
advantages
- constant body temperature
- not dependent on external temperature, always active
- live on cold parts of the planet
disadvantages
- needs energy to maintain body temperature
- more food required
- less energy from food is used for growth, or more food is needed in order to grow
2
Q
What are the functions of precapillary sphincters (DE: Schließmuskel)?
A
They maintain vasodilation and vasoconstriction.
3
Q
Which part of the brain regulates the temperature of the body?
A
hypothalamus
