O2 is a Gas , we aspire it from the air
It helps break down waste and consume it as well as by eating dead organisms
Hope this helps :))
Answer:
D
Explanation:
you can't take one type of cell and create a brand new one. This gets rid of C
the only cell that increases in size is fat cells, this gets rid of A
Mitosis is for all cells, except sex cells. Daughter cells relate more to sex cells than other cells. Sex cells go through meiosis to create daughter cells. This also gets copies DNA. This gets rid of B
Basically: Mitosis is how we make new cells from the original cell (Think Zygote cell)
A 16-called embryo is Called A Morula