rennin
physical
one factor is tourisum
I think antonyms for risk factor would include: buffer, barrier, or defense.
Intrinsic factor is produced in the fundus and body of the stomach by parietal cells that line the stomach. The purpose of intrinsic factor is so vitamin B can be absorbed in the small intestine.
A factor multiplies with another factor to create a product.
A geographical barrier.
The parietal cells of the stomach are responsible for secreting hydrochloric acid, while the chief cells secrete intrinsic factor. These two secretions are important for the digestion of food and absorption of nutrients in the stomach and intestine.
product
a postzygotic barrier
a barrier to entry.
Intrinsic factor is glycoprotein that is produced by the parietal cells of the stomach.
A factor is a number that multiplies with another number to create a product.