The pancreatic juice, that is alkaline due to bicarbonate ions, neutralizes the acid contents of the stomach as they both enter the duodenum.
duodenum
Ozone molecules protect against UV rays. It is present as ozone layer.
To protect the intestinal wall against abrasion and irritation from the chyme. It also helps the particles of fecal matter together.
To protect the body.
The stomach is covered in mucus to protect it from the strong acids used to digest proteins. The duodenum (the very first section of the small intestine) does not have such mucus to protect itself. The pH change is crucial to make sure that the duodenum is not harmed by the strong acids from the stomach.
it is called mucus secreted from the cilliated epithilia cells
It is secreted by epidermal cells to reduce evaporation of water and protect the plant from invading microorganisms.
No, birth control pills DO NOT protect against HIV
The T cells help protect the body against viruses.
it cant protect the system against power surges
illness
The best way to protect against calloused hands is to wear gloves.