Soc 17-The Respiratory System

Question 1

Respiratory system

Answer 1

There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration.

Question 2

Breathed in

Answer 2

21% oxygen

0.04% carbon dioxide

Question 3

Breathed out

Answer 3

16% oxygen

4% carbon dioxide

Question 4

Vital capacity

Answer 4

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

Question 5

Tidal volume

Answer 5

Tidal volume is the amount of air breathed in with each normal breath.

Question 6

Respiration

Answer 6

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

Question 7

Diaphragm

Answer 7

The primary muscle used in the process of inhalation

Question 8

Trachea

Answer 8

The tube that takes air into the chest

Question 9

Bronchus

Answer 9

Tube along which air passes from the trachea into the lungs

Question 10

Bronchioles

Answer 10

Smaller branches coming off the bronchi

Question 11

Alveoli

Answer 11

Tiny sacs at the end of the brioncholes

Question 12

Haemoglobin

Answer 12

A type of protein found in every red blood cell

Question 13

Gaseous exchange

Answer 13

The delivery of oxygen from the lungs to the bloddstream

Question 14

Oxygen debt

Answer 14

The amount of oxygen needed at the end of a physical activity

Question 15

Anaerobic exercise

Answer 15

Working at a high intensity level without oxygen

Question 16

VO2 max

Answer 16

The volume of oxygen an athlete can consume while exercising