Respiratory System

Question 1

Trachea

Answer 1

Also known as the windpipe, has rings of cartilage to prevent it from collapsing.

Question 2

Bronchus

Answer 2

The trachea branches off into two bronchi, one into each lung. Bronchus is the singular name.

Question 3

Bronchiole

Answer 3

Smaller branches of the bronchi in each lung.

Question 4

Alveoli

Answer 4

Millions of tiny air sacs where gaseous exchange takes place.

Question 5

Gaseous Exchange

Answer 5

The process of oxygen being delivered to the bloodstream, while carbon dioxide is removed. This takes place in the alveoli.

Question 6

Inspiration

Answer 6

Also known as breathing in or inhaling. The process of drawing oxygen into the lungs.

Question 7

Expiration

Answer 7

Also known as breathing out or exhaling. The process of removing carbon dioxide from the lungs.

Question 8

Tidal Volume

Answer 8

The volume/amount of air you inhale with each breath during normal breathing (at rest).
Think of the tide - it always moves in and out. We always breathe in and out.

Question 9

Minute Ventilation

Answer 9

The volume of air in litres that you breathe per minute.
Remember the minute part of this definition.
Tidal volume X number of breaths = Minute ventilation

Question 10

Vital Capacity

Answer 10

The maximum volume of air you can breathe out.

Question 11

Residual Volume

Answer 11

The volume/amount of air left in your lungs after breathing out.