Understanding the Heart and Circulatory System

What is the primary function of the heart as described in the first section?

• To filter waste

• To pump blood continuously

• To digest food

• To regulate body temperature

How does the heart contribute to the circulatory system?

• By moving blood through arteries and veins

• By storing oxygen

• By producing red blood cells

• By controlling the nervous system

Which part of the heart is responsible for oxygenating blood?

• Left atrium

• Right atrium

• Right ventricle

• Pulmonary vein

What is the heart primarily made of?

• Cartilage

• Muscle

• Fat

• Bone

Why is it important to take care of your heart?

• It helps in digestion

• It is the body's power pack

• It controls emotions

• It improves vision