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.
- At which side of chest is heart located?
- Why is blood important?
- What are sepals?
- Which chamber is connected to which vessel?
- What is photosynthesis?
- What is flu?