Food to Energy

What is the primary role of chewing in the digestion process?

• To absorb nutrients directly into the bloodstream.

• To break food into smaller pieces, initiating mechanical digestion.

• To convert glucose into ATP for energy.

• To produce enzymes for chemical digestion.

In the stomach and small intestine, what are proteins broken down into?

• Simple sugars

• Fatty acids

• Amino acids

• Glucose

Are you enjoying the video lesson?

• Yes

• No

What is the body's preferred source of energy, which is converted into ATP during cellular respiration?

• Amino acids

• Fatty acids

• Proteins

• Glucose

What is the main function of enzymes in the body's chemical reactions?

• To store excess energy as fat.

• To transport nutrients through the bloodstream.

• To speed up chemical reactions.

• To build new proteins for growth.