If you fall backward and hit your head very hard on a sharp rock, you most likely hit your brain stem.
A brain can be defined as an internal organ that is made up of soft nerve tissues. Thus, a brain is mainly found inside the skull of vertebrates or mammals such as human beings.
Basically, the brain comprises three (3) main parts and these include:
The brain stem is located at the base (backward) of the brain and it acts as a relay that connects the cerebrum and cerebellum. Also, it is mainly responsible for controlling consciousness, body temperature, breathing, sneezing, coughing, etc.
In conclusion, you most likely hit your brain stem if you fall backward and hit your head very hard on a sharp rock.
Read more on the brain here: https://brainly.com/question/1360688
