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 ...

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 ...

Cells. Tissues. Organs. Organ systems ... like the heart in animals or a leaf in a plant. An organ system is made of a group of organs which all work together to do a particular job, such as ...

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

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.

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

elegans. Translucent and easy to raise, the thousand-celled nematode fills petri dishes in labs all over the world and is probably the best-understood multicellular organism in science.