What molecules can the human body use for fuel?

Question

Select all that apply.

Responses

oxygen
oxygen

fats
fats

proteins
proteins

carbohydrates
carbohydrates

Answer 1

The human body can use the following molecules for fuel:

• Fats
• Proteins
• Carbohydrates

Oxygen is not a fuel molecule; instead, it is essential for the metabolic processes that help convert these fuels (fats, proteins, and carbohydrates) into energy.