The Circulatory System

What is the main organ of the Circulatory System?

• Lungs

• Veins

• Arteries

• Heart

What organs are part of the Circulatory System?

• Heart

• Blood Vessels

• Blood

• Lungs

The upper chambers of the heart are called

• Left Atrium

• Left Ventricle

• Right Atrium

• Right Ventricle

The lower chambers of the heart are called

• Left Atrium

• Right Atrium

• Left Ventricle

• Right Ventricle

Which side of the heart receives oxygen-rich blood from the lungs and pumps it to then rest of the body.

• Left

• Right

Which side of the heart receives oxygen-poor blood from the rest of the body and pumps it to the lungs.

• Left

• Right

Veins take blood __________ the heart

• To

• Away from

Arteries take blood _________ the heart

• To

• Away from

What is the name of the tiny blood vessels that connect the arteries and the veins?

• Caterpillars

• Caps

• Capillaries

• Catteries

Blood is composed of two main parts - which two are they?

• Water

• Blood

• Plasma

• Blood Cells