Key Area 4 Flashcards
1
Q
What are the the external factors that affect metabolic rate?
A
Temperature, salinity, pH
2
Q
What is a conformer
A
A conformers internal environment is controlled by the external environment
3
Q
What is a regulator
A
Able to maintain their internal environment without relying on their external environment,
4
Q
What is the hypothalamus
A
The temperature monitoring centre
5
Q
Name 3 correcting responses to increases in body temperature
A
Sweating, decreased metabolic rate, vasodilation of blood vessels
6
Q
Name 3 corrective responses to a decrease in body temperature
A
Shivering, vasoconstriction of blood vessels, increased metabolic rate
7
Q
What is the importance of temperature regulation
A
Allows optimal enzyme activity and high diffusion rates to maintain metabolism
