Science 4th

Which object that can make you sick?

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Why is it important to cover your nose when sneezing?

• To prevent the virusses spread into the air

• To activate the immune system in our body

• To make the sneeze as soft as possible

• To kill the bacteria inside the body

An infectious disease is caused by ...

• Eating too much sugar

• Flower pollen and dandruff

• A narrowing the airways in your lungs

• Panthogens growing inside your body

What are the possibilities that can cause non-infectious diseases?

• By the infecting organisms called pathogens

• By factors such as genetics, malnutrition, environment and lifestyle

• By touching infected people open scars and their sneezing

• By the bite of a virus-infected animals

A non-infectious disease happens when…

• Parasites line your digestive tract

• Bacteria release toxins that attack your cells

• Parts of your body work abnormally

• Fungi grow on the bottom of your feet

Chicken pox is a disease caused by ...

• Bacteria called Mycobacterium tuberculosis

• Fungi called Dermatophytes

• Virus called varicella-zoster virus (VZV)

• Parasites called Plasmodium parasite

Bacteria can make toxins. What the toxins do inside our body…?

• Attacking body cells indirectly

• Protecting our body from pathogen that attack body cells

• Living inside digestive tract or blood stream.

• Making many copies of themselves

The characteristics above describe about...

(i) the panthogen is larger than bacteria

(ii) They are living organisms that can live inside intetinal tract or blood stream

(iii) This pathogen can cause malaria

• pathogen

• disease

• fungi

• parasites

The function of immune system in our body is…

• To protect viruses when they make copy of themselves

• To protect our body by fighting off pathogens that attack our body

• To create a weakened virus inside the body

• To help bacteria and virus destroying our body cells

Diabetes is one of the non-infectious diseases. Which of the following statement describes diabetes…?

• it is a skin disease that makes someone’s skin red and itchy

• It a disease that causes someone to sneeze and cough

• It is a disease where the level of blood sugar is high

• It is a lung disease which make someone difficult to breathe