SYND 10-8-73 CAMBODIAN TROOPS FIGHTING ON HIGHWAY FOUR

The video provides a brief introduction to the heart, highlighting its role and significance in the circulatory system.

What is the primary function of the heart?

• To digest food

• To pump blood

• To filter waste

• To produce hormones

Which part of the heart is responsible for pumping oxygenated blood to the body?

• Right ventricle

• Left ventricle

• Left atrium

• Right atrium

What separates the left and right sides of the heart?

• Septum

• Valve

• Artery

• Vein

How does the heart contribute to the circulatory system?

• By producing red blood cells

• By pumping blood throughout the body

• By regulating blood pressure

• By absorbing nutrients

Which component of the heart prevents the backflow of blood?

• Capillaries

• Veins

• Valves

• Arteries