Question

The amount of energy lost in respiration in the form of heat is about ______
a) 40%
b) 50%
c) 60%
d) 70%

Answer 1

40% of the released energy is conserved as chemical energy in the form of ATP..... The rest of the 60% of energy is lost in the form of heat that maintains body temperature.... Answer is (c) 60%

Answer 2

The amount of energy lost in respiration in the form of heat is about 60%.

Option: (c)

Explanation:  

• The human body needs a particular temperature to work properly. To maintain this a ‘large amount of heat’ is lost as conduction and radiation.

• Now the food that is consumed that needs to be converted into chemical energy in form of high energy ‘phosphate bond’ of ATP.

• So around forty percent of the energy is converted for providing energy to the body and the rest is converted to heat which is lost.

• This loss helps in maintaining a ‘static temperature’ of the body.