Soc 17

Question 1

Oxygen debt

Answer 1

The amount of oxygen needed at the end of a physical activity to break down lactic acid

Question 2

Inspiration

Answer 2

Breathing in

Question 3

Expiration

Answer 3

Breathing out

Question 4

Respiration

Answer 4

The movement of air from outside the body into the cells within tissues

Question 5

Diaphragm

Answer 5

The primary muscle used in the process of inspiration or inhalation

Question 6

Alveoli

Answer 6

Tiny sacs at the end of the bronchioles,where gas exchange takes place

Question 7

Gaseous exchange

Answer 7

The delivery of the oxygen from the lungs to the bloodstream and the removal of carbon dioxide from the tissues

Question 8

Haemoglobin

Answer 8

A type of protein found in every red blood cell

Question 9

Bronchus

Answer 9

Tube along which air passes from the trachea into the lungs

Question 10

VO2 max

Answer 10

The volume of oxygen an athlete can consume while exercising at maximum capacity

Question 11

Percentage of air inhaled

Answer 11

20% oxygen + 0.4% carbon dioxide

Question 12

Aorta

Answer 12

Part of the heart where blood leaves the heart

Question 13

Vena cava

Answer 13

Large vein bringing deoxygenated blood to the heart

Question 14

Valves

Answer 14

Used to control blood flow

Question 15

Pulmonary

Answer 15

To do with the lungs

Question 16

Cusp

Answer 16

A triangular fold or flap of a heart valve

Question 17

Vein

Answer 17

Tube that carries blood back to the heart

Question 18

Artery

Answer 18

A muscular tube that carries blood away from the heart

Question 19

Capillaries

Answer 19

Distribute blood within organs and also transports neutrents

Question 20

Systole

Answer 20

The first phase when the heart contracts and pumps the blood into arteries

Question 21

Diastole

Answer 21

The phase of the heartbeat when its relaxed and is filled with blood