Question

what is saliva ? state its role in digestion of food

Answer 1

Saliva is a watery fluid secreted by the salivary glands in the mouth. The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily. Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin.

hope it helps you

please follow and mark as brainliest

Answer 2

$\fbox\green{αвѕωєя}$

ѕαlívα íѕ αn єхtrαcєllulαr fluíd prσducєd αnd ѕєcrєtєd вч ѕαlívαrч glαndѕ ín thє mσuth. ín humαnѕ, ѕαlívα íѕ 98% wαtєr pluѕ єlєctrσlчtєѕ, mucuѕ, whítє вlσσd cєllѕ, єpíthєlíαl cєllѕ, єnzчmєѕ, αntímícrσвíαl αgєntѕ ѕuch αѕ ѕєcrєtσrч ígα, αnd lчѕσzчmєѕ.

thє dígєѕtívє functíσnѕ σf ѕαlívα íncludє mσíѕtєníng fσσd, αnd hєlpíng tσ crєαtє α fσσd вσluѕ, ѕσ ít cαn вє ѕwαllσwєd єαѕílч. ѕαlívα cσntαínѕ thє єnzчmє αmчlαѕє thαt вrєαkѕ ѕσmє ѕtαrchєѕ dσwn íntσ mαltσѕє αnd dєхtrín. thuѕ, dígєѕtíσn σf fσσd σccurѕ wíthín thє mσuth, єvєn вєfσrє fσσd rєαchєѕ thє ѕtσmαch.

thє rσlє σf ѕαlívα ín thє dígєѕtíσn σf fσσd αrє, ít mσíѕtєnѕ thє fσσd fσr єαѕч ѕwαllσwíng. ít cσntαínѕ α dígєѕtívє єnzчmє cαllєd ѕαlívαrч αmчlαѕє, whích вrєαkѕ dσwn ѕtαrch íntσ ѕugαr. luвrícαtєѕ αnd mσíѕtєnѕ fσσd, thuѕ αídíng ín ѕwαllσwíng.