pectoral fins
Depending on what part of the body you are talking about, or around what axis the body part is turning, it could be a few different terms. Probably the two most common are externally rotated or adducted.
The cells lose part of their liquids due to osmosis.
The most important part of your body in swimming would have to be your legs. In swimming you use your legs a lot and I am a swimmer and I do a lot of drills only using your feet or using a kickboard. So it would be your legs.
it has a smooth skin body so nothing gets caught when swimming
It depends on the person, but usually the foot. If you are jumping into a swimming pool usually the head gets wet first. both of you are wrong.. the first part of your body that gets wet is the part that is dry.
When you are not in a streamline position in swimming, drag can occur. This is when you body is stopping the water from freely moving past your body. You may notice when you begin to sink while you are swimming that you slow down. This is because the lower part of your body is creating drag by stopping the water from quickly passing you legs.
1.- a human shoulder... a body part 2.- a shoulder of a road... turning point in a road
Rotation is the term meaning turning a body part on its own axis.I find turning a body part on its own axis hard to explain. I can only give examples:Rotating your outstretched arm at the elbow or shoulder, say from palm up to palm down.Moving your head from facing front to facing left or right.
If it's swimming versus downhill, that would be swimming. However, if it's swimming versus cross country, easily, cross country. What muscles do you need most for cross country skiing? All of them. Swimming neglects the calf and extensor (forearm) muscles, regardless of swimming style. In cross country skiing both your calves and forearms will get a workout, and the only part of the body not worked is the neck. However cross country skiing involves every single muscle in the human body.
,so that you can learn on swimming fast on a compition
If a part of the body has gangrene and is turning white, it means that the skin is dying. This can be a life threatening emergency.
Some of the best exercises would be running or swimming. Both of those exercises work out the entire body. You won't just work out one part at a time.