Chapter 4 Human Health | Science form 2

How many body defence mechanisms are divided into?

•  1

• 2

•  3

• 4

Which are the first line of defence?

• Skin

• Mucus membrane

• Antibody

• White blood cells

Which is the second line of defence?

•  Skin

• Mucus membrane

• Antibody

• White blood cells

Which is the third line of defence?

•  Skin

• Mucus membrane

• Antibody

• White blood cells

Pathogens are microorganisms like....

• bacteria

• virus

• fungus

• protozoa

• waterborne

Preventive steps that can be taken to avoid contracting this disease are…

• Drink or eat food that is clean or thoroughly cooked

• Drink boiled water

• Receive injection of the cholera vaccine

• Store food and drinks properly so that houseflies cannot land on the food or drinks

• Before eating don’t wash hands

Which of the following is disease that is not infectious?

• Tinea

• Dengue fever

• Cancer

• Tuberculosis

The organisms that can cause disease' is called _______

• bacteria

• pubg

• pathogen

• mobile legend

All viruses are pathogen.

• True

• False

Measles, chicken pox, influenza is an examples of infectious diseases.

• True

• False