Thermoregulation Flashcards
1
Q
are humans endothermic or exothermic
A
endothermic
2
Q
how much energy is lost as heat
A
75%
3
Q
what portion of total energy expenditure is basal metabolic rate
A
60-65%
4
Q
what portion of total energy expenditure is thermic effect of food
A
5-10%
5
Q
what portion of total energy expenditure is physical exercise / activity
A
25-35%
6
Q
what is one metabolic equivalent defined as?
A
the amount of oxygen consumed while sitting at rest - 3.5 ml O2 per kg body weight x min
7
Q
how do you convert Kcal to Kj
A
x4.184
8
Q
which is the most energy dense food substance
A
fat
9
Q
what is the lowest energy dense food
A
carbs
