Respiratory System

Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation. 

• 1,2,3,4

• 2,3,1,4

• 2,1,3,4

• 4,2,3,1 

The actual gas exchange with the blood occurs in the 

• bronchi

• bronchioles

• alveoli

• trachea

What is the main function of gas exchange?

• To remove carbon dioxide and supply oxygen to the body

• To remove oxygen from the body

• To supply carbon dioxide and remove oxygen from the body

• To supply water to the body cells

The largest tube in the respiratory system is the ..

• trachea

• bronchi

• alveoli

• bronchiole

Which of these organs is not a part of the respiratory system?

• Trachea

• Heart

• Lungs

• Pharynx

A disorder of the lungs called ____ causes the bronchi to become restricted (get smaller) so air can't get to the lungs.

• asthma 

• cold

• influenza 

• bronchitis 

Which of the following statements is not true about lung cancer?

• It is the leading cause of cancer death in both men and women. 

• Prognosis is poor

• There are no symptoms in the early stages

• It cannot be prevented

The respiratory system is made up of the trachea, the lungs, and the ....

• liver

• esophagus

• diapghram

• pancreas

Which of the following show the air passage for inhalation?

• lungs --> nose --> trachea

• nose --> lungs --> trachea

• nose --> trachea --> lungs

• trachea --> lungs --> nose

Skin breathing is used by this types of animal

• jellyfish, frog

• lion, giraffe

• frog, crocodile

• jellyfish, lion