What does the nasal cavity do
Warms and moistens the air for more efficient gaseous exchange
Mucus and cilia prevent dirt
What does the pharynx do
Warm and moisten air further for more efficient gaseous exchange
What is the epiglottis
Flap made of cartilage at the top of the trachea
Opens for breathing and closes for food
What is the larynx
The voice box which vibrates as air passes to create sound
What is the trachea
A tube supported by rings and lined with cilia that filters air carried to lungs
What are the bronchi
Tubes that split from the trachea to carry air to the left and right wing
What are the bronchioles
Smaller branches that carry air to the alveoli’s
What are the alveoli
Air sacs on end of bronchioles that allow for gaseous exchange
Extremely thin walls
Large surface area
What are the lungs
Organ that allows air in and out of our body
What are the external intercostals
Respiratory muscles found in between the ribs that help to pull ribs up and out
What are internal intercostals
Muscles found in the ribs that help pull ribs in and down
What is the diaphragm
Respiratory muscle at base of thoracic cavity that helps pull air to lungs
What is the thoracic cavity
Space between lungs, ribs, diaphragm that allows lungs to expand
