So that there is a uniform system in which all people can use without conversions or mistakes in such conversions.
Answer:
for starters the 5 stages are called prophase, metaphase, anaphase, telophase, and cytokines. in prophase the nuclear membrane will devolve and the chromosomes will be seeable. in metaphase the chromosomes meet in the middle. anaphase is when the spindle fibers start to move and attach to the chromosomes and start to pull and anaphase stops when everything stops moving. in telophase, well it the opposite of prophase, in cytokines it starts in the middle of anaphase and what it does is it like pinches it in two new cells.
Explanation:
<span>The brain is composed of millions of individual cells called neurons. </span>
1. C
2.B
3. A
Hope this helps you out, try to think of why a cell is important to function when answering these questions!