Which of these processes is chemical?
Your tongue breaking pieces of a hamburger apart
Chewing a saltine
Peristalsis (muscle movements) occurring in your esophagus to move food into
your stomach
Saliva breaking the saltine down into molecules of glucose

hey there!

so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

hope this

tobey

answer: i cant find your answer. do u have another way i can answer it for you : )

explanation: