AND ANSWERS 100% CORRECT!!
Main functions of the respiratory system - ANSWER (1) deliver oxygen to the cells of
body. (2) remove carbon dioxide from body.
upper respiratory tract - ANSWER outside chest cavity
(nose, and nasopharynx; down to the larynx).
lower respiratory tract - ANSWER organs within chest
(trachea, bronchial tree, and lungs).
alveoli - ANSWER microscopic sacs where oxygen diffuses across and exchanged for
carbon dioxide when a person breathes in air
the diffused oxygen is then taken to the rest of the body through the - ANSWER
circulatory system
Several common diseases that affect airways and exchange of gas - ANSWER asthma,
COPD, emphysema, chronic bronchitis
Asthma - ANSWER general term for recurrent and reversible shortness of breath
resulting from the narrowing of the bronchi and bronchioles.
COPD - ANSWER consists of both emphysema and chronic bronchitis.
emphysema - ANSWER a disease process involving inflammation of the alveoli.
chronic bronchitis - ANSWER chronic inflammation or irritation on the lower respiratory
tract, specifically the bronchi.
The primary drugs used in the treatment of both asthma and COPD - ANSWER
bronchodilators and a variety of anti-inflammatory and antiallergic agents.