The brain is not protected from chemicals that are ingested or absorbed through the skin.
thebone membraneprotects the brain by using the blood brain barrier filters and other materials.cerebrospinal fluid containing the detoxification chemicals that helps to protect the brain.The brain is protected by the skull (a bone structure), the blood brain barrier (BBB) filters the passage of harmful substances other other foreign materials,cerebrospinal fluid contains detoxification chemicals and helps cushion the brain, and there are 3 membranes that protect the brain called dura, arachnoid and pia mater.
It is protected by the skull. It is protected from concussions, hits on the head, and trauma. Brain cells cannot be replaced, so if you lose them, they are gone forever. That is why the brain needs to be protected.
It is protected by the skull
your brain is protected by your skull
Heroin is essentially an "armored" form of morphine, protected at the blood-brain barrier by diacetyl radicals. Brain chemicals known as endophins have the same effect as morphine, but differ slightly in chemical composition.
your brain is protected by your skull
your brain
It makes chemicals. For example, chemicals from and to the brain and stomach help you to know when you are hungry/full.
The blood brain barrier blocks chemicals from entering brain tissue.
The brain.
the operator must be protected from the splashing of the chemicals
No set answer. Depends on the individual. There are chemicals that appear in the brain naturally, and then there are chemicals (drugs, medicines, toxins, etc.) that are put into the bloodstream from outside sources.