Biology 4.1.1. Flashcards
1
Q
Health
A
A state of complete physical, mental and social well-being and not merely the absence of disease or infirmity. E.g. through good nutrition and suitable housing.
2
Q
Immunity
A
involves memory lymphocytes, plasma cells and an immune system.
3
Q
Opportunistic infection
A
an infection which develops when the immune system is weakened, due to malnutrition or anther primary infection.
4
Q
Parasite
A
an organism that lives in/ on a host, that gains nutrition from the host, at the host’s expense.
5
Q
Pathogen
A
a microorganism that causes disease.
