Physiology Flashcards
(7 cards)
1
Q
Name metabolic sources of heat
A
BMR
Hormones eg adrenaline, noradrenaline, thyroxine (increase BMR)
Muscle activity
Shivering (increases muscle activity)
2
Q
Where is the temperature control centre?
A
In the hypothalamus
3
Q
What is the posterior hypothalamic centre activated by?
A
Cold
4
Q
What is the anterior hypothalamic centre activated by?
A
Warmth
5
Q
What temperature is fever?
A
38-40C
6
Q
What temperature is hyperthermia?
A
.>40C
7
Q
What temperature is hypothermia?
A
<35C
