The respiratory system

Question 1

What is the most important function of the respiratory system?

Answer 1

Respiration.

Question 2

Describe the components of the upper respiratory tract

Answer 2

All structures outside the lungs. These are the nostrils, the nasal passages, the pharynx, the larynx and the trachea.

Question 3

Describe the components of the lower respiratory tract

Answer 3

All structures within the lungs. These are bronchi, bronchioles, alveolar ducts and alveoli.

Question 4

What do the nasal passages do?

Answer 4

Warms, moistens and cleans air that is breathed in.

Question 5

What does the larynx do?

Answer 5

It deliver air to the trachea while preventing food from entering the trachea

Question 6

Where is the trachea located and what are its functions?

Answer 6

It is located between the larynx and the bronchi. It delivers air to the bronchi and helps to clean it before it enters the lungs.

Question 7

What do alveoli do?

Answer 7

They are the site of the exchange of Oxygen and Carbon Dioxide between blood and air.

Question 8

Describe the location of the mediastinum

Answer 8

In the thoracic cavity between the lungs.

Question 9

List the normal ranges for the breathing rates of cats and dogs

Answer 9

Cats - 20-40 breaths per minute (bpm)
Dogs - 12-40 bpm