communicable diseases

• what are communicable diseases?

  Diseases that can be transmitted from one person to another.
• define pathogens?

  Pathogens are microorganisms, such as bacteria, viruses, fungi, or parasites, that can cause disease in their host organisms.
• factors that effect health?

  diet / stress / immune system / pathogens
• how do bacteria make you ill?

  reproduce rapidly and damage cells and produce toxins
• how do viruses make you il?

  produce inside body cells
• how are pathogens spread?

  by air / droplet and direct contact
• name a virus that can lead to blindness and brain damage?

  measles
• methods to prevent the spread of disease?

  good hygeine ; destroy vectors
• how can measles spread?

  dropley infection
• Explain why hand washing is so effective in preventing the transmission of disease.

  Destroys pathogens so that it’s not transmitted through direct

  contact.
• What is meant by communicable diseases?

  A disease that can be passed on from one organism to another.