I really enjoy swimming in the summer. DO you?
Yes, I do enjoy swimming, which is self-propulsion through water.
I see, is it a good activity to lose calories? 
Sure, many people like to swim for exercise. You can do different strokes and vary the amount of exertion required.
Sounds interesting, do you swim in the ocean?
local, national, and international competitions, including every modern Summer Olympics.
Science.
Swimming relies on the nearly neutral buoyancy of the human body. On average, the body has a relative density of 0.98 compared to water, which causes the body to float. However, buoyancy varies on the basis of body composition, lung inflation, and the salinity of the water. Higher levels of body fat and saltier water both lower the relative density of the body and increase its buoyancy.
Since the human body is
“See how the fish swim as they please. That’s what fish really enjoy.” When Huizi asked, “How do you know what fish enjoy?” Zhuangzi replied, “You’re not I, so how do you know I don’t know what fish enjoy?”
Acquisition.
The jar was given to the IMA in by Mr. and Mrs. Eli Lilly in 1960. It has the accession numbers 60.88A-B, and is currently on view in the Valeria J. Medveckis Gallery.
See also