There is not such thing as external pain. Pain is a function of the brain and the rest of the nervous system, which is internal.
claws
Taking photos at your birthday party
The cerebrospinal fluid protect the brain from any form of injury. The brain is covered with this fluid which will act as cushion.
The difference between a reflex and a feedback mechanism is that the former is done without action by the brain but the latter is consciously done with feedback from the brain. A reflex is the reaction to external stimuli. Feedback to the brain can be given due to external or internal (within the body) reason.
Normally, no. A stroke is internal bleeding (in the brain) and not external.
Emotions come from the brain to different parts. They are caused by the external stimuli.
sensation
Keith is gay and knows it from his fruity brain
sensation
sensation
The brain is protected by the cranium, which is the skull bone that encases and supports it. The cranium acts as a protective barrier, shielding the brain from external injuries and providing structural stability.