The process of changing food to substances that can be used by the body is known as digestion. In the average adult, the whole process of digestion takes about 50 hours.
digestion
Digesting. It's the closest answer!
The process of changing food into a simpler substance is called COMBUSTION
metastasis
It is a process in which the chemical composition of the food is changed. Reactions convert chemicals from the food to other substances. This process can take several stages and in the end you will have substances that the body can absorb and utilise.
The process of changing into entirely new substances.
These substances are called digestive enzymes.
absorption
Chemical Change
The process of breaking down food is called digestion.
the dijestive sysem
That is the process known as cellular respiration.
Digestion?