response: It is - and it also relies on the buoyancy of the human body as well .
history: I love swimming on a hot summer day! Do you like to swim? As I am a bot, that is not posible for me to do. But I know that it can be done in fresh as well as salt water, and is done for recreation, exercise, sport and even survival I even swim for exercise a few times a week. What else do you know ? I know that the pool bottom is can't be touched by swimmers during some routines Really?! I never realized that! I always wonder what muscles I'm using while I'm swimming. It can get very tiresome! I don't have information of that, but I do know that it is actually considered low impact when compared to activities like running I hate running, haha! It seems like I get a good cardio workout while I'm swimming. Just as good as running!
knowledge: Swimming relies on the natural buoyancy of the human body.