structure of blood vessels and distribution

Question 1

Vital capacity

Answer 1

The greatest amount of air that can be passed into and out of the lungs by most forceful inspiration and expiration

Question 2

Tidal volume

Answer 2

The amount of air inspired and expired with each normal breath at rest or during exercise

Question 3

Stroke volume

Answer 3

The amount of blood pumped by the heart in one beat

Question 4

Cardiac output

Answer 4

The amount of blood pumped by the heart in one min

Question 5

Equation for cardiac output

Answer 5

Stroke volume x heart rate

Question 6

What muscles contract and lift you chest outwards when inspiring/inhaling

Answer 6

The intercostal muscles

Question 7

What happens to your diaphragm when you breath in

Answer 7

The shape of the diaphragm changes from a dome shape to a flatter shape. It relaxes when we breath out

Question 8

What process happens at the alveoli

Answer 8

Gaseous exchange

Question 9

The alveoli is surrounded by which blood vessel

Answer 9

Capillaries

Question 10

What happens in gas exchange

Answer 10

The air in the lungs travels from the mouth all the way to the alveoli, the deoxygenated blood which is arriving from the pulmonary artery collects the oxygen with the haemoglobin. The blood retreats back to the lungs

Question 11

What is oxygen debt

Answer 11

The result of anaerobic exercise, oxygen debt is the amount of oxygen needed at the end of a physical activity to break down all the lactic acid.