Q. Where are maximum nutrients absorbed into the blood?
✅ Correct Answer: (A)
small intestine
Explanation:
The small intestine is the primary site for the absorption of nutrients into the blood. It has tiny hair-like structures called villi, which increase the surface area for absorption of nutrients like proteins, fats, carbohydrates, vitamins, and minerals.
Why other options are incorrect:
- (B) Belly – Not a specific part of the digestive system, and nutrients are not absorbed here.
- (C) Large intestine – The large intestine absorbs water and salts, but not most nutrients.
- (D) Mouth – The mouth is involved in mechanical digestion and the start of chemical digestion, but not nutrient absorption.
Explanation by: Mr. Dubey
The small intestine is the primary site for the absorption of nutrients into the blood. It has tiny hair-like structures called villi, which increase the surface area for absorption of nutrients like proteins, fats, carbohydrates, vitamins, and minerals.
Why other options are incorrect:
- (B) Belly – Not a specific part of the digestive system, and nutrients are not absorbed here.
- (C) Large intestine – The large intestine absorbs water and salts, but not most nutrients.
- (D) Mouth – The mouth is involved in mechanical digestion and the start of chemical digestion, but not nutrient absorption.