Digestion and Excretion Living Environment

What is the job of your digestive system?

• To break down food

• To remove waste

• To pump blood around the body

• To bring oxygen into the body

Your digestive system breaks down food into tiny pieces called

• Bites

• Nutrients

• Enzymes

• Acids

Chewing is an example of which type of digestion?

• Chemical

• Acidic

• Mechanical

• Liquid

Chemical digestion involves which of the following?

• Cutting food with a knife

• Crushing food

• Chewing

• Stomach Acid

The tube connecting your mouth and stomach is your

• Esophagus

• Small Intestine

• Large Intestine

• Windpipe

A muscular bag that mixes and crushes food is your

• Small Intestine

• Stomach

• Large Intestine

• Esophagus

Where are most nutrients absorbed during digestion?

• Small Intestine

• Stomach

• Large Intestine

• Esophagus

Where is most water absorbed during digestion?

• Small Intestine

• Stomach

• Large Intestine

• Esophagus

What is the job of your excretory system?

• To bring oxygen into your body

• To pump blood around the body

• To break down food

• To remove waste from your body

Which of the following is NOT part of your excretory system?

• Heart

• Lungs

• Kidneys

• Skin