Answer: The digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach.
Explanation:
This is called medical record.
Eat and eat often. While everyone should abide by this rule, it is especially true for those who are trying to gain weight. Eating often means eating five to six small meals a day and packing in those nutrients.
This doesn't mean eating junk food and sugars, it means lots of protein and carbs.
It would take a week or seven days because one pound is about 3,500 calories and 500x7 is 3,500. Hope that helps :)