Cardiovascular system

What is the name of the large vein that enters the right atrium of the heart.

• Pulmonary vein.

• Superior Vena cava.

• Inferior Vena cava.

• Aorta.

How many miles of blood vessels in the human body ?

• 55,000

• 62,000

• 70,000

• 60,000

When exercising the vessels to the working muscles............. to allow for increase in blood flow to the muscle.

What is the name of the valve that prevents back flow between the Right Atrium and Right Ventricle.

• Bicuspid.

• Mitral.

• Tricuspid.

• Aortic.

What is the name of the large red artery.

• Pulmonary Artery.

• Aorta.

• Coronary Artery.

• Femoral Artery.

What do the Pulmonary veins do ?

• Bring oxygenated blood to the left Atrium from the lungs.

• Bring deoxygenated blood to the heart.

• Take O2 from the lungs

• Bring blood to the right Atrium from the lungs.

Why is the muscle in the left ventricle thicker than that of the right ventricle ?

• The left ventricle pumps oxygenated blood round the entire body.

• The right ventricle pumps oxygenated blood round the entire body.

• The right ventricle pumps blood to the lungs which is a long way.

• They are both the same.

Most of the blood vessels that carry oxygen-rich blood around the body are called arteries. The largest artery in the body is the aorta.

• True

• False

What well-trained athlete might have a normal resting heart rate closer to 40 beats per minute.

• Tour De France Cyclist.

• 100m Sprinter

• Footballer.

• Diver.

If an athlete had a heart rate of 65 bpm and a stroke volume of 80ml/beat , what is their cardiac output ?

• 145 ml/min

  $65\ +80$

• 5200 L/min $65\ \times\ 80$

• 5200 ml/min $65\ \times\ 80$

• 0.8125 ml/min $65\ \div80$