GCSE PE Revision- The Cardiac Cycle Paper 1 Cardiovascular System

The video tutorial covers the cardiovascular system, focusing on the heart's structure and function, the pathway of blood circulation, and the process of oxygenation and deoxygenation. It explains the heart's four chambers, the role of valves, and the journey of blood through arteries and veins. The tutorial emphasizes the importance of understanding these concepts for exams and encourages viewers to subscribe and engage with the content.

What are the main components of the cardiovascular system?

• Heart, brain, and blood

• Heart, blood, and blood vessels

• Heart, lungs, and liver

• Heart, kidneys, and blood vessels

Which chamber of the heart receives oxygenated blood from the lungs?

• Right atrium

• Left ventricle

• Left atrium

• Right ventricle

Through which blood vessel does oxygenated blood leave the heart to supply the body?

• Pulmonary vein

• Aorta

• Vena cava

• Pulmonary artery

What is the primary function of valves in the heart?

• To filter impurities from the blood

• To oxygenate the blood

• To prevent backflow of blood

• To increase blood pressure

Which blood vessel carries deoxygenated blood from the body back to the heart?

• Vena cava

• Pulmonary artery

• Aorta

• Pulmonary vein

What is the role of the pulmonary artery in the cardiovascular system?

• Carries deoxygenated blood to the lungs

• Carries oxygenated blood to the body

• Carries deoxygenated blood to the heart

• Carries oxygenated blood to the heart

How long does it typically take for blood to complete a full cycle around the body?

• 30 seconds

• 60 seconds

• 90 seconds

• 120 seconds