Science 7: The Digestive System

Food is chewed in the mouth and mixed with _________?

• the liver

• gastric juices

• saliva

• bile

Tags

NGSS.MS-LS1-7

Food travels down the __________ into the stomach.

• small intestine

• gallbladder

• oesophagus

• stomach

In the stomach, the food is mixed with _____________.

• saliva

• water

• blood

• gastric juices

Tags

NGSS.MS-LS1-7

Food leaves the stomach and travels to the ___________.

• small intestine

• large intestine

• mouth

• liver

Tags

NGSS.MS-LS1-7

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

• small intestine

• large intestine

• liver

• stomach

Tags

NGSS.MS-LS1-7

_________ are absorbed into the blood.

• saliva

• gastric juices

• bile

• nutrients

Tags

NGSS.MS-LS1-7

Which organ produces bile, a power gastric juice used to break down fats.

• the liver

• the gallbladder

• the heart

• the pancreas

True or false: The gastric juices in your stomach can burn through your skin.

• True

• False

Tags

NGSS.MS-PS1-2

True or false: It takes a few seconds for gastric juices to break down food in the stomach.

• True

• False

Tags

NGSS.MS-LS1-7

How much saliva do we produce in each day?

• about a gallon

• about 2 liters

• about 1 liter

• about 20 ml

Tags

NGSS.MS-LS1-7