Biology Topic Practice

The Digestive System

The digestive system is an organ system in which several organs work together to digest and absorb food.

Would you get full marks on the role of bile?

What is The Digestive System?

"The digestive system is an organ system in which several organs work together to digest and absorb food."

Question 1

What is the main job of the human digestive system?

Question 2

Why does bile help lipase work more effectively?

Question 3

Where does most absorption of digested food into the bloodstream take place?

Question 4

Where does most absorption of digested food into the bloodstream take place?

Digestion Functions

Large food molecules are broken down into small, soluble ones by enzymes.

Villi in the small intestine increase surface area for maximum absorption.

Exam Tip

Bile is made in the liver and stored in the gall bladder to aid fat digestion.

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