* Trypsin (a serine protease) is used in baby food to pre-digest it. It can break down the protein molecules which helps the baby to digest it as its stomach is not strong enough to digest bigger protein molecules. See the Related Link.
So you have to digest so you can absorb nutrients and protein
They break down food molecules which make it easier for the body to digest the food.
Animals must digest food to receive the essential nutrients that the particular organism needs to survive.
Animals must digest food to receive the essential nutrients that the particular organism needs to survive.
every animals digest food in it
Of course.
to survive
Yes it will die if it won't and all animals digest
oxygen
all animak except unicellular animals
Nope