Communicable disease

Question 1

what are pathogens

Answer 1

microorganisms that enter the body and cause disease

Question 2

what do pathogens cause

Answer 2

communicable diseases - diseases that can spread easily

Question 3

what are bacteria

Answer 3

very small cells which can reproduce rapidly inside your body

Question 4

how do bacteria make you ill

Answer 4

by producing toxins that damage your cells and tissues

Question 5

what are viruses

Answer 5

they live inside your cells and replicate themselves using the cell’s machinery to produce many copies of themselves. the cell will usually then burst, releasing all the new viruses

Question 6

what are protists

Answer 6

single-celled eukaryotes.
some protists are parasites. parasites live on or inside other organisms and cause them damage.

Question 7

what are fungi

Answer 7

some are single-celled, others have a body which is made up of hyphae(thread like structures)
these hyphae can grow and penetrate human skin and the surface of plants, causing diseases.

Question 8

what are some ways pathogens can be spread

Answer 8

WATER, AIR and DIRECT CONTACT

Question 9

how can water spread pathogens

Answer 9

pathogens can be picked up by drinking or bathing in dirty water.
E.G. cholera

Question 10

how can air spread pathogens

Answer 10

pathogens can be carried in the air and can then be breathed in. some airborne pathogens are carried in the air in droplets produced when you cough or sneeze. E.G. influenza

Question 11

how can direct contact spread pathogens

Answer 11

some pathogens can be picked up by touching contaminated surfaces, including the skin. E.G. athletes foot.