a sheet of internal skeletal muscle that pulls and pushes against the lungs as we inhale and exhale
What is the. main function of the respiratory system?
The main function of the respiratory system is the exchange of gasses - oxygen enters the body and carbon dioxide is removed.
Trachea
a hollow tube (wind pipe) that connects the larynx to the right and left bronchus
What is number 7 on the diagram?
Pharynx
Cilia
tiny hair-like structures that line your respiratory pathways & filter the air we breathe
Bronchus
the 2 major air passages leading from the trachea to the lungs
Alveoli
the air sacks at the end of the bronchioles where the gas exchange takes place
What is the main organ of the respiratory system?
the lungs
What is number 11 on the diagram?
Alveoli
What is number 8 on the diagram?
Trachea
Lungs
the organ that carries out the exchange of oxygen and carbon dioxide
Pharynx
the passage that leads from the cavities of the nose and mouth to the larynx
What are numbers 5 & 9 on the diagram?
Bronchus
Larynx
hollow muscular organ which holds the vocal cords (voice box) which produce sound
Epiglottis
flap of elastic cartilage attached to the larynx that closes when food passes by
What is number 1 on the diagram?
Nose or nasal cavity
How is the respiratory system related to the muscular system?
the muscular system uses oxygen which is brought into the body through the respiratory system; the diaphragm (a muscle) helps to bring air into and out of the l
Bronchioles
the smallest air passageways coming off of the bronchi
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