(a) _____________ (b)_________ (c)________ (d)___________ (e)________ (f)_________ Nasal Passage Nostrils Mouth Epiglottis Larynx Trachea (g) ________.

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(a) _____________ (b)_________ (c)________ (d)___________ (e)________ (f)_________ Nasal Passage Nostrils Mouth Epiglottis Larynx Trachea (g) ________ Bronchi (h) __________Bronchiole (k) ____Lung Diagram-

(j) ___________Diaphragm (i) ______Alveoli

Filters (Cleans) – Cilia & Hair Warms – Capillaries Moistens – Mucus

cartilage ciliated Covers trachea when swallowing voice boxAt the top of the trachea mucuscartilage

pleura bronchiolesalveolus alveoliair sacks thinmoist

EMPHYASEMA alveolus capillaries

alveoli diffusion

diffuses hemoglobin oxyhemoglobin oxygen hemoglobin intercellular alveoli

AB

Taking oxygen into the lungs. Removing carbon dioxide from the lungs

Inflammation of the linings of the bronchial tubes. Swelling narrows breathing passage, alveoli clogged with mucus.

Allergic reaction narrowing of the bronchial tubes.

Walls of alveoli break down. Decreases surface are for gas exchange – shortness of breath, difficulty breathing, decreased lung capacity Normal city dwellers lung. Note black specks throughout indicative of carbon deposits from pollution. Smokers lung with cancer. Smokers lung with emphysema.

Uncontrolled growth of abnormal cells in the lungs.

Pneumonia is an infection of the lungs. There are several different organisms that may cause it including bacteria, viruses and fungi. Causes Fluid and mucus to build up in the alveoli

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