infectious diseases. Flashcards
1
Q
how are disease caused?
A
pathogens enter the body and cause disease which can spread.
2
Q
communicable diseases can happen in plants or animals. give an example or micro organisms that can cause them.
A
bacteria.
viruses.
protests.
fungi.
3
Q
bacteria and viruses reproduce rapidly. bacteria: produce what and what effect does it have?
A
produces toxins that damage cells.
4
Q
bacteria and viruses reproduce rapidly. viruses: where does it reproduce and what is the effect?
A
reproduce inside cells and damage them.
5
Q
how can bacteria and viruses spread?
A
people.
water.
air.
direct contact.
