We simply define digestive system as one of the system of our body which helps in digesting the food substances which we consume by various enzymes and helps to convert into enegry.
Digestive system constitute various type of organs like mouth, small intestine, stomach, etc. The nutrients are obsorbed mostly on small intestine and stomach.
<span>If a person's body becomes so accustomed to a particular drug that it can only function normally if the drug is present, that person is <u>dependent </u>on the drug. </span>
