Soc 17: The structure of the respiratory system

Question 1

Percentage of air in

Answer 1

20.95% oxygen

Question 2

Percentage of air out

Answer 2

Four percent carbon dioxide and 16 percent oxygen

Question 3

Vital Capacity

Answer 3

Vital capacity is the maximum amount of air a person can expel from the lungs after a maximum inhalation.

Question 4

Tidal volume

Answer 4

Tidal volume is the lung volume representing the normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied.

Question 5

Oxygen debt

Answer 5

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

Question 6

Anaerobic exercise

Answer 6

Working at a high intensity level without oxygen for energy production

Question 7

VO2 MAX

Answer 7

The volume an athlete can consume while exercising at minimum capacity

Question 8

Respiration

Answer 8

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

Question 9

Diaphragm

Answer 9

The primary muscle used in the process of inspiration, or inhalation. A dome-shaped sheet of muscle that separates the chest from the rest of the body cavity

Question 10

Trachea

Answer 10

The tube that takes air into the chest, also known as the windpipe

Question 11

Bronchus

Answer 11

Tube along which air passes from the trachea nto the lungs

Question 12

Bronchioles

Answer 12

Smaller branches coming off the bronchi

Question 13

Alveoli

Answer 13

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

Question 14

Haemoglobin

Answer 14

A type of protein found in every red blood cell

Question 15

Gaseous exchange

Answer 15

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