The Heart
The Circulatory System
The Respiratory System
Heart Diagram #1
Heart Diagram #2
100
True or False.

The heart is a muscle.

What is true?

100

These blood vessels transport blood back to the heart.

What are veins?

100
What is the main opening for the respiratory system?

What is the nose?

100

#1

What is the aorta?

100

#8

What is the left ventricle?

200

The heart pumps blood and these two vital materials.

What is oxygen and glucose?

200

These blood vessels carry blood away from the heart.

What are arteries?

200

Also know as the windpipe, this is the tube that connects the respiratory system.

What is the trachea?

200

#2

What is the superior vena cava?

200

#10

What is the mitral valve?

300

The heart pumps this waste away from the cells.

What is carbon dioxide?

300

This is the largest artery in the body.

What is the aorta?

300

These are the tiny air filled sacs in the lungs.

What are alveoli?

300

#4

What is the tricuspid valve?

300

#11

What is the left atrium?

400

The heart has this many chambers.

What is 4?

400

These are small, thin blood vessels that are found all throughout the body.

What are capillaries?

400

This muscle is responsible for inflating and deflating the lungs. 

What is the diaphragm?

400

#5

What is the inferior vena cava?

400

#12

What are the pulmonary veins?

500
The heart has this many ventricles.

What is two?

500

This is the largest vein in the body.

What is the vena cava?

500

Spasms of the diaphragm are called this. 

What are hiccups?

500

#6

What is the right ventricle?

500

#13

What is the pulmonary artery?