Lesson 7, Chapter 5

Question 1

Pathogens

Answer 1

Germs that can make you sick

Question 2

Cilia

Answer 2

Hair-like structures present on the surface of some cell membranes in the respiratory system

Question 3

Macrophages

Answer 3

White blood cells that actively seek out and destroy pathogens

Question 4

Common cold

Answer 4

A viral illness that attacks the sinuses, nose, and throat

Question 5

Acute bronchitis

Answer 5

An infection of the trachea and bronchi

Question 6

Chronic bronchitis

Answer 6

Chronic inflammation with thickening of the bronchial tubes

Question 7

Pnemonia

Answer 7

An infection of the alveoli of the lungs

Question 8

TB

Answer 8

An infection caused by the bacterium Mycobaterium tuberculosis

Question 9

Dormant

Answer 9

Present in the body, but not causing illness

Question 10

Tubercles

Answer 10

Capsules filled with bacteria that cause TB

Question 11

Asthma

Answer 11

A respiratory disease, not caused by and infection, that is characterized by episodes of difficulty breathing

Question 12

Wheezing

Answer 12

A whistling sound coming from the lungs