It can be defined as the most common procedure that is used by the scientists in his laboratory. This procedure includes the removal or destruction of a part of brain for studying the functions of the regions of brain.
Then the behavior of the animal is observed to see which part of the brain is responsible for which type of behavior. This can be an unethical practice so it is not used on human beings and is only used in animals.
Scientific laws predict or describe an observed phenomenon without explaining why the phenomenon exists while Scientific Theories try to provide the most logical explanation about why things happen as they do.
If it is a red blood cell than the cell will shrivel because the water will dissolve out of the cell ( because more water flows out of the cell than back into the cell the cell Shrinks )
The answer is: reversing the current direction will cause the force deflecting the wire to perpendicular to the magnetic field but in the opposite direciton.
