These animals do not have a bony skeleton. All insects are invertebrates. They do have a skeleton but it is on the outside of their bodies and is not made of bone. These two main groups have been divided into smaller groups.
The white blood cell (WBC) count indicates the number of white blood cells in a sample of blood. This count provides a clue to the presence of illness.White blood cells are made in the bone marrow and protect the body against infection and aid in the immune response.his count provides a clue to the presence of illness. White blood cells are made in the bone marrow and protect the body against infection and aid in the immune response.
If you have low amounts of white blood cells, which means your bone marrow is not making enough in order to keep you healthy or fight the illness you are currently suffering from. A normal white blood cell count is from 4,000 to 10,000 per microliter of blood. Any number below 4,000 is cause for alarm.