you are an organism the circulatory system is an organ system your heart is an organ it has muscle tissue, muscle tissues are made from muscle cells You might be tempted to think that these ...

For example, prokaryotic organisms have sensors that detect ... In addition, specialized cells in the human vascular system detect changes in blood pressure — information that the body uses ...

Control and communication Communication between cells in a multicellular organism occurs by use of nerve impulses or hormones. The central nervous system produces electrical impulses for rapid ...

Scientists from The University of Manchester have changed our understanding of how cells in living organisms divide, which ...

"At some point it might not be beneficial anymore to stick around with your buddies. But if you don't, you die." ...

Scientists first discovered chromosomes in the nineteenth century, when they were gazing at cells through light microscopes ... every body part to the sexual organs, where they were stored.

An curved arrow pointing right. A single celled organism eating its prey, an inside view of a termite's gut, and a parasite going 'Alien' on its host took top honors in Nikon's Small World in ...