Pathogens+disease Flashcards
1
Q
What is bacteria
A
Single cell living organisms
2
Q
Virus?
A
Cause disease in every type of living organism
Smaller than bacteria
3
Q
How do pathogens cause disease?
A
Bacteria and virus’ are inside they reproduce making us I’ll
Bacteria splits into 2 and produce toxins sometimes directly damaging our cells
Viruses take over our cells and rarely reproduce toxins
4
Q
How does the body defend itself?
A
White blood cells are produced when the body encounters foreign antigens
5
Q
what do white blood cells do
A
Engulf and digest
Produce antibodies
Produce antitoxins
6
Q
What do microbes need
A
Nutrients
Oxygen
Warmth
7
Q
What are infectious diseases caused by?
A
Microorganisms attacking the body
