How Infections Occur

Question 1

Infections don’t usually occur unless _ are damaged

Answer 1

Body’s defenses

Question 2

If intestinal bacteria enters _ serious infection can occur

Answer 2

Abdominal cavity

Question 3

Body has number of _ which acts as first line of defense

Answer 3

Protective barriers

Question 4

Skin and nose. Nose contains mucus and _ to trap harmful organisms

Answer 4

Hairs

Question 5

_ contains antibodies that combat pathogens

Answer 5

Saliva

Question 6

_ contain antibodies to prevent infection in eyes

Answer 6

Tears

Question 7

_ and _ are defenses

Answer 7

Coughing

Sneezing