Exploring the Heart and Cardiac Cycle in GCSE PE

What is the main topic covered in this lesson?

• Respiratory System

• Digestive System

• Circulatory System

• Nervous System

What is the primary function of the heart?

• To produce blood cells

• To pump blood throughout the body

• To filter blood

• To store blood

Which side of the heart is responsible for pumping blood to the lungs?

• Left side

• Right side

• Both sides

• Neither side

What prevents blood from flowing backwards in the heart?

• Veins

• Arteries

• Valves

• Muscular walls

Which blood vessel carries oxygenated blood from the lungs to the heart?

• Pulmonary artery

• Vena cava

• Aorta

• Pulmonary vein

What is the largest artery in the body?

• Vena cava

• Pulmonary vein

• Pulmonary artery

• Aorta

What is the term for a single contraction and relaxation of the heart?

• Pulse

• Heartbeat

• Cardiac cycle

• Blood flow

Where does deoxygenated blood enter the heart?

• Right ventricle

• Left ventricle

• Right atrium

• Left atrium

What happens to blood in the lungs?

• It releases nutrients

• It picks up oxygen

• It releases oxygen

• It picks up carbon dioxide

Which valve prevents blood from flowing back into the left atrium?

• Aortic valve

• Semilunar valve

• Atrioventricular valve

• Pulmonary valve