Question

What is the main source of energy in our body?

Answer 1

1. Living beings like humans comprise cells that require energy for the growth and development of the organism.
2. The energy is generated inside the mitochondria, which is a cell organelle that performs various biochemical processes to generate energy.
3. Humans eat food that comprises proteins, carbohydrates, fats, and nucleic acids. These complex molecules are broken down into their simpler form by the process called digestion.
4. Complex carbohydrates are degraded to release glucose units.
5. Glucose is absorbed by the body and enters the cell.
6. The cell utilizes glucose to synthesize energy.
7. Thus, glucose is the main source of energy for humans.