Understanding the Heart and Circulatory System

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

• To filter waste

• To regulate body temperature

• To pump blood continuously

• To digest food

How does the heart contribute to the circulatory system?

• By controlling the nervous system

• By producing red blood cells

• By storing oxygen

• By moving blood through arteries and veins

Which part of the heart is responsible for oxygenating blood?

• Right atrium

• Pulmonary vein

• Right ventricle

• Left atrium

What is the heart primarily made of?

• Muscle

• Cartilage

• Bone

• Fat

Why is it important to take care of your heart?

• It improves your vision

• It enhances your hearing

• It is your body's power pack

• It helps in digestion