(a) How do normal cells become cancerous ?

(b) Cancer can be treated successfully only if detected at an early stage. How do the following help in detecting cancer ?

(i) Biopsy (ii) Histopathology (iii) MRI

(c) Name any two methods that can possibly cure cancer.

 

 
 
 

Answers (1)
S safeer

a) When the normal cell loss of the property of contact inhibition by other normal cells, then it leads to uncontrolled growth and become cancerous.

b)

  • Biopsy: It's a piece of the suspected tissue is cut into thin section stained and studied.
  • Histopathology: It's a piece of suspected tissue is examined under a microscope by a pathologist.
  • MRI: It uses strong magnetic fields and non-ionising radiations, accurately detect pathological and physiological changes in the tissues.

c) radiotherapy and chemotherapy

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