S3 Circulatory System

The top chambers of the heart are called what?

• Ventricles

• Aortas

• Vein's

• Atrium's

The bottom chambers of the heart are called what?

• Atrium's

• Ventricles

• Veins

• Capillaries

Name chamber A in the diagram.

• Left Atrium

• Left ventricle

• Right Atrium

• Right Ventricle

Name chamber D in the diagram.

• Left atrium

• Left ventricle

• Right ventricle

• Right atrium

Name the structures circled in the diagram.

• Aorta

• Valves

• Muscles

• Capillaries

Name this blood vessel

• Vien

• Capillary

• Gullet

• Artery

How can we tell this is a vein?

• Small lumen and thin walls

• Small lumen and thick walls

• Large lumen and thick walls

• Large lumen and thin walls

Name this blood vessel

• Vein

• Capillary

• Gullet

• Artery

How can we tell this is a capillary?

• Walls are thin

• Small lumen

• Walls are one cell thick

• Large lumen

The job of the heart is to . . .

• pump blood around the body.

• send food to the small intestines.

• break down food.

• give energy to the body.