Weight of our brain is approximately 1.5 kg. The skull covers brain. Brain controls the function of our body. Centres of our brain control the movement of our body, blood circulation and breathing. It also feel the pleasure or pain in the body and control the speech, memory, learning, emotional responses, behavior, personality and control the hormones release in the body.
Abnormal or uncontrolled growth of cancerous cells in the brain is called brain cancer. All types of tumors are not a brain cancer. Only malignant tumors are called brain cancer.
Malignant tumors are more dangerous than benign tumors because malignant tumor spread very aggressively and benign tumor not spread aggressively. Malignant tumor may be life threatening. Benign tumors can also create many problems in the brain.