Respiratory System

Front

Number 1 and 2 are pointing to...
Options:

The nose and nasal passage.

,

The mouth and trachea.

,

The bronchus and bronchioles.

,

The nose and alveoli.

Back

The nose and nasal passage.

Front

Which number is pointing to the trachea? Options: 7, 6, 9, 4

Back

9

Front

Which number is pointing to the diaphragm? Options:

8

,

7

,

6

,

5

Back

6

Front

Which numbers point to the right and left lungs? Options: 5 and 10, 10 and 11, 5 and 15, 15 and 16

Back

5 and 10

Front

The blue tubes that branch from the trachea are called ____.

Back

bronchi

Front

In which part of the lung does gas exchange occur?
Options: bronchus, trachea, bronchiole, alveoli

Back

alveoli

Front

What do the vessels carry that run around the alveoli?

Back

red blood cells

Front

What gas is added to the blood cells and which gas is taken away in the lungs?

Back

Oxygen is added and carbon dioxide is removed.

Front

Which two muscles contract and create more space in the chest cavity?

Back

diaphragm and intercostals

Front

Why does the pleural cavity have fluid?

Back

This fluid provides lubrication for the lungs to expand and contract.