Question

extract nutrients from food
a. digestive system
b. respiratory system
c. circulatory system
d. nervous system

Answer 1

The process of extracting nutrients from food primarily involves the **digestive system**. The digestive system breaks down food into smaller molecules, allowing for the absorption of nutrients into the bloodstream, where they can be distributed to cells throughout the body.

So, the correct answer is:
**a. digestive system**.