What type of change do the ptyalin in saliva make?
Chemical Change
What type of change is done by the tongue?
Physical Change
What change is done when you chew?
Physical Change
What type of change is peristalsis?
Physical Change
What type of change is the curdling of the milk by the renin?
Chemical Change
What type of change is done by the pepsin when it turns milk into cheese and starts the digestion of all other proteins?
Chemical Change