1.5 Defence Mechanisms Flashcards
1
Q
Name the 2 types of white blood cells
A
- lymphocytes
* phagocytes
2
Q
What do lymphocytes do?
A
- They produce antibodies to help destroy particular pathogens
- They produce antitoxins to counteract the toxins that pathogens produce
3
Q
What do phagocytes do?
A
They ingest pathogens to digest and destroy them
4
Q
What type of nuclei do phagocytes have?
A
Lobed nuclei
5
Q
What type of nuclei do lymphocytes have?
A
Large nuclei
6
Q
Name 3 ways our body prevents pathogens from entering?
A
- skin
- trapped by mucus
- killed by stomach acid
7
Q
How do memory cell lymphocytes help protect the body?
A
They remember the antibodies needed to destroy the pathogen so if it were to return then the lymphocyte can quickly and effectively destroy the pathogen
