PDF chapter test TRY NOW

Classify the statements:
Answer variants:
A body is said to be under smooth functioning only when all the various parts of the body work together.
DEN- 1, 2 virus decreases the blood platelets found in the human blood.
Covering the drains properly is a measure of community hygiene.
 
1.  Community hygiene:
 
2.  Dengue and its prevention:
 
3.  Care of the body: