Question

We can fool our immunity system into developing memory for a particular infection by
a) providing safe drinking water
b) living in place that are not over crowded
C )providing clean environment and hygienic food
D) vaccination / immunisation​

Answer 1

Answer:

Option D is the correct option.

Answer 2

Answer:

poisonous substances will accumulate. Undersuch conditions, the brain will not be able tothink properly. For all these interconnectedactivities, energy and raw material are needed.Food is a necessity for cell and tissue functions.Anything that prevents proper functioning ofcells and tissues will lead to a lack of properactivity of the body.It is in this context that we will look at thenotions of health and disease

Explanation: