respiratory system

Question 1

respiration

Answer 1

the process by which blood cells absorb oxygen and eliminate carbon dioxide and water vapor.

Question 2

nasal cavity

Answer 2

filters, moistens, and warms air

Question 3

pharynx

Answer 3

filters and aids in protection against infection.

Question 4

epiglottis

Answer 4

closes when swallowing to prevent food from going down the airway and into the trachea.

Question 5

trachea

Answer 5

further cleanses the air. the trachea branches into the left and right bronchi.

Question 6

bronchioles

Answer 6

bronchi that is further sub divided into smaller tubes

Question 7

alveolus

Answer 7

when each bronchial tube ends in a smaller sac

Question 8

capillaries

Answer 8

when oxygen from the air enter the bloodstream via tiny blood vessels, which are called capillaries.

Question 9

diaphragm

Answer 9

a system of muscles that allows breathing