B a very large molecule made of smaller molecules
O2 or Oxygen gas is released into the environment as a result of photosynthesis.
Smoking is one of the major reason of Lung cancer. But one may have cancer even if the individual is not a smoker due to radiation, secondary air pollutants.
<h3> What is cancer?</h3>
Cancer is described as the uncontrolled and abnormal growth of cells in one’s body which are arrested in the growth phase of the cell cycle and multiply rapidly and does not mature like normal cells, cancer is more aggressive form of a tumour.
The following describe the relation of smoking with lung cancer
- Cancer is caused by oncogenes activating substances [OAS] some of them causes mutation in the body
- These oncogenic substances in the smoke produced while smoking contains nicotine, hydrocarbons, cyclohydrocarbons and various other factors which converts normal cells into cancerous cells
- Hence,
- smoking
- causes
- oral
- and
- lung
- cancer
Learn more about Lung cancer
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Answer:
Differentiation
Explanation:
Cell differentiation occurs when stem cells become specialized cells
Answer: B
Explanation:
malignant tumours spread and cause cancers, benign tumours are non-cancerous
