Nervous System

Conus medularis Cauda equina Motor strip Sensory strip Broca area Sulcus Gyrus Wernicke area Cervical enlargement Lumbar enlargement Filum terminale Wernicke area, region of the brain that contains motor neurons involved in the comprehension of speech. Broca area, region of the brain that contains neurons involved in speech function. A blood brain barrier protects the brain by preventing many foregin substances in our vascular system from reaching the brain. Although sensations and feelings are processed in our brain, the brain itself cannot feel pain, as it lacks pain receptors.

% of the total brain mass is water. It is the f attest organ in the body, contains billion nerve cells. The barriers does not work for some substances like Nicotine which rushes into the brain in mere seconds and Alcohol on the other hand takes minutes. The precentral gyrus is called as