What is the name of the blue squiggles in the image?

It's incredible to think of all this activity going on within the human body without us ever being aware of it!

Most people are unaware that there is a great demand for platelets and therefore donors. It is my primary hobby (250 visits, 600+ units.) Have a heart. Donate platelets.

Player #11657036, I used to work as a phlebotomist at a plasma center. We sure loved our regulars!

Only mammals have platelets that are cell fragments. All other animals' thrombocytes are complete cells, with nuclei, cytoplasm, and membranes.