Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
Which harmful chemical is black in color?
Answer: Tar is the chemical which has a blackish shade. It is one of the most harmful chemicals because it damages the respiratory more than any other chemical present in the cigarette.
- Where are pulses felt?
- What is major content of cigarette?
- What happens after exchange of substances?
- What is quantity of white blood cells in blood?
- What is happening to heart?
- What is diarrhea?