It is part of the body's natural functions. The solids and liquids we ingest are processed by our stomach at which point nutrients are absorbed and waste is then excreted through urine or feces.
Exercise gets the metabolism going, hence why you defecate after exercise.
Because they eat a lot, in simplicity.
As much as you like!
It a natural and essential bodily function so yes
It can happen
pretty much how we do
Yes.
the answer to thi question is no
Birds don't know what a car is, they just need to defecate. Also, they often defecate as they fly so their poop falls just anywhere.
Vegetarians will defecate more if they take in much more natural fiber. At the same time, a meat eater will also defecate more the more naturally fibrous foods they consume.
Horses defecate to empty their bodies so that they can eat more food and then digest it. If horses didn't defecate then they would have all their waste building up inside them and then become ill
Because they usually defecate on people's heads and/or property.