Horseshoe crabs

Phylum Arthropoda Class Chelicerata Subclass Merostomata Number of families 1

Thumbnail description

Marine creatures distinguished by a large, hard exoskeleton that includes an arched, horseshoe-shaped shield in front (prosoma), a middle portion (opisthosoma), and a thin tail (telson); they are among the oldest living organisms

Photo: A horseshoe crab (Limulus polyphemus) trying to turn itself right side up. (Photo by Gilbert S. Grant/Photo Researchers, Inc. Reproduced by permission.)

Diabetes 2

Diabetes 2

Diabetes is a disease that affects the way your body uses food. Normally, your body converts sugars, starches and other foods into a form of sugar called glucose. Your body uses glucose for fuel. The cells receive the glucose through the bloodstream. They then use insulin a hormone made by the pancreas to absorb the glucose, convert it into energy, and either use it or store it for later use. Learn more...

Get My Free Ebook


Post a comment