Human Breathing

Question 0

Trachea sub divides into?

Answer 0

Bronchi and upper bronchioles

Question 1

Function of Epiglottis?

Answer 1

Prevents food and drink entering the lung

Question 2

Trachea made of?

Answer 2

Muscle and elastic fibre

Question 3

Lower bronchioles?

Answer 3

Have no cartilage which allows them to contract and narrow which leads to Asthma

Question 4

All tubes in trachea are lined with?

Answer 4

Mucous and cilla

Question 5

What are pathogens?

Answer 5

Disease causing organisms that stick to mucous

Question 6

Function of cilla in the trachea?

Answer 6

They push the mucous to the epiglottis. Then it is moved to the stomach

Question 7

Function of the lungs?

Answer 7

Gas exchange

Question 8

What are lungs enclosed by?

Answer 8

Enclosed by 2 plural membranes

Question 9

What protects the lungs?

Answer 9

A layer of liquid protects lungs from being damaged by rubbing off the chest

Question 10

Adapted functions of Alveoli?

Answer 10

:Numerous
:Large surface area
:Thin walls
:Rich blood supply to carry gases away form lungs

Question 11

What occurs in the alveolus?

Answer 11

Oxygen passes from alveolus to red blood cells

Carbon dioxide and water vapour pass from plasma to alveolus

Question 12

Causes of Asthma

Answer 12

Inhalation of pathogens such as pollen