Question

Define:i) Kilocalorie

ii)Basal metabolic rate

Answer 1

A kilocalorie (kcal) can be defined as the amount of energy required to raise the temperature of one kilogram of water by one degree Celsius.

1 kilicalorie = 1000 calories.

Basal metabolic rate is the amount of energy spent by humans and animals at rest. The energy used in the state of rest is the amount of energy just sufficient to the functioning of the vital organs of the body like kidney, heart, brain, etc.