A)State the role of saliva in human beings b) State 2 hormones involved in digestion

A) The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily.

B) The five major hormones are: gastrin ( stomach ),                                                          secretin ( small intestine ), cholecytokinin (small intestine), gastric inhibitory peptide (small intestine), and motilin (small intestine).

Explanation:

Explanation of answer A):

Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin. Thus, digestion of food occurs within the mouth, even before food reaches the stomach.

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

the answer would be..

b. sucking