Digestive and Excretory System PRACTICE Quiz

Which of these is NOT a function of the digestive system?

• breaks down food

• absorbs nutrients

• eliminates waste

• takes oxygen to body cells

The process of breaking down food into nutrient rich molecules.

• absorption

• digestion

• peristalsis

• villi

The process by which nutrient molecules pass through the wall of your digestive system into your blood.

• absorption

• digestion

• peristalsis

• villi

The organ that moves food from the mouth to the stomach.

• esophagus

• small intestine

• large intestine

• pancreas

This organ absorbs most of the nutrients from food.

• stomach

• small intestine

• large intestine

• liver

This organ produces enzymes that break down food.

• liver

• pancreas

• gall bladder

• stomach

Waves of muscular contractions that move food through the digestive tract.

• digestion

• absorption

• peristalsis

• villi

Why do we eat?

• To get the nutrients we need to survive.

• So we can gain weight.

• Because we enjoy it.

• To get carbon dioxide and oxygen.

The mouth has 2 different types of digestion.  They are

• Physical and Elemental
• Mechanical and heat
• Physical and chemical

• Acidic and motion

Digestion starts in the 

• Mouth 
• Esophagus
• Stomach 
• Intestine