Definitions

Question 1

Define ‘CV Endurance’

Answer 1

• The ability of the heart and lungs to keep supplying oxygen in the bloodstream to the body in the order to provide energy to sustain physical movement

Question 2

Define ‘Capilary’

Answer 2

One cell thick. Microscopic vessels that link the arteries to the veins. They allow oxygen and Carbon Dioxide to pass through their walls.

Question 3

Define ‘Arteries’

Answer 3

Have thick walls and oxygenated blood (apart from pulmonary) away from the heart through the Aorta

Question 4

Define ‘Veins’

Answer 4

• Carry deoxygenated blood back to the heart. They have thinner walls than arteries. They also have valves so the blood cannot flow backwards.