Explanation

Leukemia is a cancer of the body's blood-forming tissues,

Including the bone marrow and the lymphatic system.

Some forms of leukemia are more common in children.

Explanation

Explanation

• a) Tuberculosis – Caused by the bacterium Mycobacterium tuberculosis 

• b) Typhoid – Caused by the bacterium Salmonella typhi 

• c) Cholera – Caused by the bacterium Vibrio cholerae 

• d) Influenza – Caused by the influenza virus (NOT a bacterium)

Explanation

Tuberculosis (TB) is a bacterial infection caused by Mycobacterium tuberculosis, and its symptoms include:

• Fever
• Chest pain
• Coughing up blood or phlegm
• Sweating at night
• Fatigue
• Weight loss (not weight gain)

Explanation

 Aviophobia is the specific fear or anxiety associated with flying in airplanes.