You will lose a pound if you burn 3500 more calories than you take in. This is one of the bottom lines in weight loss but whether or not you are actually burning 3500 calories varies from person to person with the same activity.
A dog can survive without eating for 14 days, procided day wouldn't be in good shape and health.
How long can a cat go without eating â The Horrible Truth Like most animals, a cat needs water to survive. The cells in a catâs body needs water to function, with out it they would not be able to live for more than a few days.