The speed is not stable/constant , it`s changing
Unlike Static Stretching that is recommended for AFTER an exercise or athletic activity, Dynamic stretching can make a good warm-up before you are ready to preform. In dynamic stretching, you increase blood flow, increase the range of motion, and your joints get ready for movement. It focuses on different muscles.
Basically, doing dynamic stretching(which is moving your body while stretching), your body is prepared to move in actual athletic activity.
I don’t get what your saying but here’s my answer When a teen takes drugs in order to feel good, it interferes with the body's natural ability to do so. Here's how drugs affect the brain: The brain is made up of billions of nerve cells. ... Drugs overload the body with dopamine — in other words, they cause the reward system to send too many “feel-good” signals. I hope it helps you
A.) Prejuice is the answer u are looking for
Digestive System hoped i helped in some way.