What is the primary function of blood in the body?

• To store fat

• To transport glucose and gases

• To produce hormones

• To provide energy

Which part of the heart pumps deoxygenated blood?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What do arteries primarily do?

• Carry blood to the heart

• Carry blood away from the heart

• Filter blood

• Store blood

Where does oxygenation of blood occur?

• In the kidneys

• In the lungs

• In the heart

• In the liver

What can a septal defect in the heart cause?

• Mixing of oxygen-rich and oxygen-poor blood

• No effect on heart function

• Increased oxygen levels

• Improved blood flow