Lesson 1.1: The Circulatory System

Pumps deoxygenated blood to the lungs.

• Right Ventricle

• Right Atrium

• Left Ventricle

• Left Atrium

Receives blood from the body that is low in oxygen.

• Right Atrium

• Right Ventricle

• Left Atrium

• Left Ventricle

Receives oxygen-rich blood from the lungs

• Right Ventricle

• Right Atrium

• Left Ventricle

• Left Atrium

Pumps the oxygen-rich blood to all parts of the body.

• Right Ventricle

• Left Ventricle

• Right Atrium

• Left Atrium

Carries the blood from the ventricle to the body.

• Aorta

• Atrium

• Valve

• Septum

This is the thickest of the blood vessels. It leads away from the heart.

• Veins

• Capillaries

• Arteries

• Valve

This type of blood cell is responsible for fighting disease.

• White Blood Cells

• Red Blood Cells

• Plasma

• Platelets

How many chambers does the heart consist of?

• 1

• 2

• 3

• 4

What do the lungs provide the blood with?

• Blood

• Oxygen

• Carbon dioxide

• Air

If your pulse rate increases, your heart is beating _________.

• Slower than before

• faster than before

• More forcefully than before

• With less pressure than before