The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
<span>A sperm cell has half of the chromosomes than other animal cells I think</span>
In mitosis cytokinesis occurs once in meiosis is occurs twice.
Air polution can cause things such as asthma, lung cancer, and many other things. air polution could also cause headaches, dizziness, nausea, and more.
Prokaryotes are single celled organisms without a well defined cell structure. They do not have a proper nucleus with a nuclear membrane and power house mitochondria are also missing from the cell com