Functions N Structures

Question 1

Pathogens

Answer 1

Disease producing microorganisms

Question 2

allergens

Answer 2

Substances that produce allergic reactions

Question 3

Toxins

Answer 3

Poisonous or harmful substances

Question 4

Malignant cells

Answer 4

Potentially life threatening cancer cells

Question 5

First line of defense - skin

Answer 5

Intact skin (no cuts, scrapes, open wounds)
Acid mantle - inhospitable environment for most bacteria

Question 6

First line of defense

Answer 6

Skin, respiratory system, digestive system, lymphatic system

Question 7

First line of defense - respiratory

Answer 7

Traps breathed in foreign matter with nose hairs and moist mucous membrane lining of the respiratory system
Tonsils form protective ring around the entrance to the throat
Coughing and sneezing

Question 8

First line of defense Digestive system

Answer 8

Uses acids and enzymes produced by the stomach to destroy invaders that are swallowed or consumed with food

Question 9

FLOD Lymphatic system

Answer 9

Structures and specialized leukocytes to attack and destroy pathogens that have entered the body