Platelets are small, colorless cell fragments. They have a sticky surface that lets them form clots to stop bleeding.

How Does Blood Clot
How Does Blood Clot By emedtv | August 12, 2009 Youtube.com Video length: 02:01.
Once upon a time... Life - The tiny platelets (1 of 3)
Once upon a time... Life - The tiny platelets (1 of 3) Uploaded by Isgota Video by Procidis This is the first of three videos on platelets; this video is 8:03 minutes. The other two can be acce
Platelet
Platelet By David Darling The Internet Encyclopedia of Science Brief article with image.
Platelet
Platelet The Free Dictionary By Farlex Tiny disc-shaped structure found in the blood, which helps it to clot. Platelets are not true cells, but membrane-bound cell fragments without nuclei that b
Platelets
Platelets Department of Biostatistics & Epidemiology College of Public Health University of Oklahoma Health Sciences Center An introduction to platelets with images and information on their pr
Platelets
Platelets, American Red Cross, Platelets help with the clotting process; find out more here.
The life and times of RBCs and platelets - Video
The life and times of RBCs and platelets, Aug. 18, 2014, By Khan Academy, Video length: 10:34.
Word! Platelets
Word! Platelets KidsHealth.org Part of a glossary of medical words, you can read what platelets are here.