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CCM Human Breathing

Stucture and Function

Nostrils Two openings in the nose through which air is inhaled
Nose Filters and humidifies air
Epiglottis Flap of tissue that prevents food from passing into the trachea
Larynx The voice box- responsible for producing sound
Trachea The windpipe
C-shape rings of cartilage Structures that help to keep the trachea and bronchi from closing in when air is drawn through them
Bronchi The two subdivisions of the trachea
Bronchioles Tiny branches of the bronchi
Mucus Present in the trachea and, bronchi and bronchioles to trap small unwanted particles
Cilia Tiny hairs present in the trachea, bronchi and bronchioles to move mucus and unwanted particles from the breathing system to the stomach
Lungs Large, pink, spongy structures in which gaseous exchange takes place
Alveoli These tiny air sacs form the end of each bronchiole.
Created by: denisec08