The mouth is the beginning of the digestive tract. In fact, digestion starts here as soon as you take the first bite of a meal. Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use. Hope I’ve helped ;)
I think the answer in this is c because it shows how the scientist worked in feilds
Answer:
Cell, Tissue, Organ, Organ System
Explanation:
Answer:
It is cell wall and it provides support to the plant cell