Question

what is the primary function of the small intestines? uses mechanical digestion to break down food particles, uses chemical digestion and absorbs nutrients the body needs, carries food and nutrients throughout the body, eliminates the waste the body does not need

Answer 1

Uses chemical digestion and absorbs nutrients the body needs.

The small intestine is the main site where enzymes break down food into molecules (chemical digestion) and where nutrients are absorbed into the bloodstream and lymph (via villi and microvilli).