Human Body Systems: The Digestive System

What is the purpose of the DIGESTIVE SYSTEM?

• It transports blood and oxygen to your cells

• It breaks down food so the nutrients can be absorbed by your body

• It helps you breathe by taking in oxygen and transporting carbon dioxide out of your body

• It helps you move

Where does DIGESTION begin?

• in the stomach

• in the mouth

• in the esophagus

• in the small intestine

What breaks food into smaller pieces?

• mouth
• tongue
• teeth
• large intestine

What makes food wet and soft?

• teeth
• tongue
• saliva
• esophagus

Food travels down the __________ into the stomach.

• small intestine

• gallbladder

• esophagus

• stomach

The ______________ is where food is mixed with juices and is squeezed and churned until it becomes a thick liquid. 

• esophagus
• stomach
• small intestine
• large intestine

Tags

NGSS.MS-LS1-7

In the stomach, the food is mixed with _____________.

• saliva

• water

• blood

• gastric juices

Food leaves the stomach and travels to the ___________.

• small intestine

• large intestine

• mouth

• liver

Tags

NGSS.MS-LS1-3

Waste foods are separated from solids and liquids in the __________________.

• small intestine

• large intestine

• liver

• stomach

Tags

NGSS.MS-LS1-7

Why do we eat food?

• To keep our stomachs full
• To put oxygen into the body cells
• To get nutrients and energy
• To make waste products

Tags

NGSS.MS-LS1-7