The Respiratory System

Question 1

What is pulmonary ventilation ?

Answer 1

Is a term used to describe the process of being in air in and out of the body.

Question 2

What’s the respiratory systems functions ?

Answer 2

Transport oxygen into the body
Transport carbon dioxide out of the body

Question 3

What’s the pharynx ?

Answer 3

It’s at the back of the throat. Important for vocalisation. Both air and food passes through.

Question 4

What’s the larynx ?

Answer 4

It’s the voice box. Helps protect the trachea.

Question 5

What’s the epiglottis ?

Answer 5

Covers the top of trachea. A flap of cartilage. Shuts when we swallow food to stop food going down the windpipe and prevents us choking.

Question 6

What’s the trachea ?

Answer 6

A tubular passage. Rings of cartilage gives the trachea stability. Delivers air to the lungs.

Question 7

What’s the bronchi ?

Answer 7

Are larger tubes which enter into the lungs. Contain cartilage rings. Contain mucus which helps trap and microbes.

Question 8

What are the bronchioles ?

Answer 8

Don’t contain cartilage. They divide 23 times and end in 8 million terminal bronchioles in each lung.

Question 9

What’s the alveoli ?

Answer 9

Groups of air sacs. The location of gas exchange.

Question 10

What is the order of the flow of air through a system ?

Answer 10

Atmosphere -> nose and mouth/nasal cavity -> pharynx -> larynx -> trachea -> bronchi -> bronchioles -> terminal bronchioles -> alveoli -> blood