The respiratory system depends on the nervous system for signals to a - coordinate the muscles that control breathing. Indeed, our nervous system plays a vital role when it comes to many bodily aspects where we don't even appreciate them on a daily basis. They are, however, extremely important.
The one with the the limestone thingy is faster because the friction is loss
my educational guess
Answer:
This is an experiment question sheet, which means you have to actually do the experiment to get the answers.
Explanation:
I was in biology and had to do one of these.
Metaphase is a stage in the cell cycle where all the genetic material is condensing into chromosomes. These chromosomes then become visible. During this stage, the nucleus disappears and the chromosomes appear in the cytoplasm of the cell. ... As metaphase continues, the cells partition into the two daughter cells.
These two structures take place in Cell division
the Chromatin condenses to chromosomes which are then doubled. and the centrioles move to opposite sides of the cell which then pull the sister chromatin from each other
