1. Blood disorders
... to initiate and attack on other similar germs. These reactions are a part of the immune system response. Platelets called thrombocytes are small pieces of blood cells that help the blood clot. When a cut occurs bleeding happens because the walls of the tiny blood vessels at the site of the cut allowed the blood to escape. Platelets move to the site of ... the injury; stick to each other and to the edges of the cut blood vessels and forms a clot that seals the leak and keeps more blood from escaping. Chemicals in plasma make the clot strong and permanent. While platelets are helpful they...
- Word Count: 488
- Approx Pages: 2
- Grade Level: High School