Respiratory system functions

Question 1

nasal cavity function

Answer 1

• filters and warms the air before it enters the lungs

Question 2

pharynx function

Answer 2

• air from the nasal cavity passes through here

Question 3

epiglottis function

Answer 3

• during swelling, it closes off the trachea so food and liquid cannot enter the lungs

Question 4

trachea function

Answer 4

• a windpipe that carries air from the lungs

Question 5

bronchi function

Answer 5

• they divide into secondary or tertiary bronchi and carry air to and from the lungs

Question 6

ribs functions

Answer 6

• provide the framework for the chest

Question 7

intercostal muscles function

Answer 7

• moves the rib cage upwards and outwards to increase the volume of the chest cavity and thus the lungs when breathing

Question 8

bronchioles function

Answer 8

• carry air into the lungs

Question 9

lungs function

Answer 9

• move fresh air into your body while removing waste gases

Question 10

diaphragm function

Answer 10

• contracts and flattens downwards increasing volume in the lungs or the chest cavity

Question 11

alveoli function

Answer 11

• well supplied with blood capillaries for the exchange of oxygen and carbon dioxide

Question 12

pleura function

Answer 12

• It is smooth and moist to prevent friction during inspiration and expiration.

Question 13

alveoli duct

Answer 13

collects air and disperses it into the alveoli