Chapter 4 - Anatomy and Function of the Airway and Respiratory System

Question 1

Metabolism

Answer 1

A process in which all the living cells of the body extract energy from nutrients. Each cell uses oxygen and produces carbon dioxide as waste.

Question 2

At normal temperatures, cells in the brain and central nervous system begin to die after _____________

Answer 2

4-6 minutes

Question 3

The respiratory system consists of…

Answer 3

airway (nose, mouth, pharynx, trachea, bronchi)
lungs (bronchioles, alveoli, pleura)
thoracic muscles (intercostal muscles, diaphragm)
thoracic bones (ribs, sternum)

Question 4

For tissues to function normally, the body must maintain a certain level of ________.

Answer 4

Oxygen (O2)

Question 5

The trachea is ___________ to the esophagus.

Answer 5

anterior to

Question 6

pharynx

Answer 6

throat

Question 7

The pharynx divides into two passageways:

Answer 7

the esophagus and the trachea

Question 8

Esophagus

Answer 8

food passes through here on the way from the pharynx to the stomach