4D - Body Systems Flashcards
Respiratory system
Nostril
openings for air to enter the nose
turbunate bones
regulate airflow
humidify air
nasal passage
warms, cleans, and moistens air
Pharynx
throat passage for food and air
Epiglottis
flap blocking food from entering the windpipe
Glottis
opening between vocal cords to allow for airflow
Larynx
voice box just above the trachea that produces sounds
trachea
your windpipe
carries air to lungs
Bronchi
branches that split off from trachea directing air to lungs
Bronchioles
branches leading to leaves
bring air to the alveoli or aveolar sacs
Aveoli
Group of aveolar sacs that do gas exchange
external respiraton
Lung
organs that handle breathing and gas exchange
Diaphragm
muscle that helps make room for lungs to expand and contract during breathing
Intercostal muscles
move ribs up and out to let air in, and move them down and in to exhale the air out
Inspiratory reserve volume
The extra amount of air you can inhale after taking a normal breath.