Respiratory system

Question 1

nasal cavity

Answer 1

warms and adds some moisture to the air; traps dust so it can’t enter the lungs

Question 2

pharynx

Answer 2

separates food and air and deliver it to esophagus and trachea

Question 3

Epiglottis

Answer 3

flap covers the trachea during swallowing; prevents food from entering the lungs

Question 4

larynx

Answer 4

contains vocal cords to create the sound

Question 5

trachea

Answer 5

the tube that directs air to the lungs; rings of cartilage keep it open all the time

Question 6

bronchus

Answer 6

the tube that splits off from the trachea to direct the air into one lung

Question 7

bronchiole

Answer 7

a small tube in the lung that directs air to the alveoli

Question 8

alveoli

Answer 8

tiny air spaces in the lung, deliver oxygen inside and carbon dioxide outside

Question 9

lung

Answer 9

fills with air during inhalation and pushes it out during exhalation

Question 10

diaphragm

Answer 10

contracts to cause inhalation and relaxes to cause exhalation