Quick it is due in 1 hour

a.) The answer is maybe water.

b.)They can be found in either egg,meat,fish or milk or even vegetables.

c.)People who do not eat enough often feel hungry again or they feel stressed or tired.

d.)Eating too much fatty or sugary food can make one diabetic or bloat or have too much fat in the body or can make one not to feel well.

e.) I think they need to inject insulin into the body ,am not so sure.

f.)Saliva is produced by the salivary gland.

g.) It's in the stomach that this process happens.

h.)Excretion.

I.)Windpipe is closed so that food won't pass through it because that's where air passes.

j.) I think it is stored in a pancreas gland.

Thank you for the questions.

the glands which are associated with each description is given below: