Question

1. what is the source of energy?
2. How does energy released from food?
3. why do all living organisms respire ? ​

Answer 1

Answer:

1) the source of energy for humans is food.

2) energy is released from food when the glucose molecules are broken down.

3) living organisms respire oxygen to break down the glucose molecules in adenosine tri phosphate

Answer 2

Answer:

Answer 1

There are two sources of energy: renewable and nonrenewable energy.

Answer 2

Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.

Answer 3

All organisms respire in order to release energy to fuel their living processes.