______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

The main function of the circulatory system is 

• To give the body structure and support
• Excrete waste
• transport blood, nutrients, and gases throughout the body
• to transport messages from the body to the brain

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

Identify

• Pulmonary veins
• Pulmonary artery
• Aorta
• Vena cava

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

This chamber of the heart RECEIVES blood returning from the body

• Right Atrium
• Right Ventricle
• Left Atrium
• Left Ventricle

This chamber of the heart RECEIVES oxygen rich blood back from the lungs

• Right Atrium

• Left Atrium

• Right Ventricle

• Left Ventricle

This chamber of the heart pumps the blood from the heart to the lungs through the pulmonary artery

• Right Atrium

• Left Atrium

• Right Ventricle

• Left Ventricle

This chamber of the heart pumps the blood back out to the body cells through the Aorta

• Right Atrium

• Left Atrium

• Right Ventricle

• Left Ventricle