Who was the first to isolate the bacteria that cause tuberculosis?

_______ is useful in keeping our muscles, bones and joints in good condition.

 ________ are essential for growth.

Which one is source of water pollution?

The practice of keeping one self and one’s surroundings clean to maintain good health and prevent diseases.

The body gets  the rest in the form of ________

___________pollution is the contamination of land by solid waste.

 ________ is our first line of defense against  infection

A __________ cream should be applied over the affected area.

Exhaust  fumes  from automobiles are a source of ________ pollution.