NEETZoologyHuman Health and Diseases
What are the effects of malignant tumors on normal tissues?
Options
- AThey cause little damage
- BThey remain confined to their original location
- CThey invade and damage surrounding normal tissues
- DThey compete for vital nutrients
Correct answer
C. They invade and damage surrounding normal tissues
Step-by-step solution
In cancer cells, there is a breakdown of the regulatory mechanisms that control cell growth and differentiation in our body. This is the main cause of cancer. Malignant tumors are a mass of proliferating cells that grow rapidly, invading and damaging the surrounding normal tissues.Normal cells show a property called contact inhibition, which means that contact with other cells inhibits their uncontrolled growth. Cancer cells have lost this property.Malignant tumors are a mass of proliferating cells that grow rapidl