Digestive Structures
Circulatory Structures
Digestive System
Fill in the blank
Blood
100

Where digestion begins.

The mouth


100
A muscular pump that moves blood through the body.

The Heart

100

Where does digestion begin?

The mouth

100

The_______ breaks food down with acid.

stomach

100

What carries oxygen, nutrients, and waste through your body?

blood

200
A tube that connects the mouth and stomach.

esophagus

200

Carries blood away from the heart. 

Arteries

200

moves food to the stomach

esophagus

200

The_________ helps start digestion by chemical and mechanical digestion.

mouth

200

Red blood cells________.

carry oxygen

300

A muscular bag that mixes and breaks down food with acid and enzymes.

The Stomach

300

Carries blood to the heart.

Veins
300

mixes food with acid to break it down.

stomach

300

The__________ pumps the blood.

Heart


300

White blood cells___________.

fight germs

400

Absorbs nutrients from the food.

Small intestines
400

Tiny vessels where nutrients and oxygen enter the blood.

Capillaries

400

absorbs nutrients

small intestine

400

Blood Carries__________ and nutrients to your cells. 

oxygen

400

Helps blood clot.

Platelets

500

Removes water and forms waste

Large intestines

500

Where does blood get its oxygen from?

The lungs

500

absorbs water and removes waste

Large intestines

500

_______ carry blood back to the heart. 

Veins

500

What is plasma mainly made of?

Water