Question

b) swallowing is difficult and painful
c) the mucous membrane of the trachea becomes inflamed
d) the lungs become infected and filled with pus
question 5 (2 points)
the exchange of oxygen and carbon dioxide between air in the alveoli and blood in the pulmonary capillaries is called _____.
a) oxidation
b) internal respiration
c) cellular respiration
d) external respiration

Explanation:

For the first - part, difficulty and pain in swallowing is not related to trachea or lung conditions described. Tracheitis is the inflammation of the trachea's mucous membrane. Pneumonia is when lungs are infected and filled with pus. For the second - part, oxidation is a chemical process not related to gas exchange in lungs. Internal respiration is gas exchange in tissues. Cellular respiration is the process cells use to produce energy. External respiration is the gas exchange between alveoli and pulmonary capillaries.

Answer:

Question 4: c) the mucous membrane of the trachea becomes inflamed
Question 5: d) external respiration