The entire body is composed of only four basic tissue types.  Muscle tissue, of course, allows you ...

If you’ve been reading this blog, by now you’ll know that the oxygen and nutrients your cells ...

Your blood is crowded with red blood cells, or erythrocytes — they occupy around 45% of blood ...

This year, World Pangolin Day is February 16.  Raise a glass to the eight species of pangolins, ...