Chapter 4 : Human Health

Examples of infectious diseases are .............

• Tuberculosis

• Ringworm

• Cancer

• Athma

• Zika fever

Airborne diseases can be prevented by practising the following ways:

• spit everywhere

• cover mouth and nose when sneezing, coughing and yawning

• avoid being in a crowded place

• ensure the living place gets enough ultrared light

Diseases that are transmitted through water include

• Covid-19

• Cholera

• Typhoid

• Dengue

Ringworm and tinea can be transmitted through....

• air

• water

• contact

• vector

How HIV virus that causes Aids can be transmitted?

• Animals transmit pathogens called vectors

• When a person drink contaminated water

• Syringe-sharing among drug addicts

Name the vector that can cause cholera disease.

What are the symptoms of Malaria fever?

• Joint pain

• Shivering

• Headache

• Fever

• Sweating

Name the pathogen for thyphoid disease.

What is meant by vectors?

• Diseases that can be transmitted through contact

• Pathogens that are transmitted from one host to another new host

• Organisms that cause diseases

• Animals that transmit pathogens from one host to another new host

Cancer, hypertension, diabetes, asthma can caused by