Not all spider bites are bad, in fact, most are not, but there are a few spiders that when they bite, they do incredible damage like the brown recluse below!pider Identification. Spiders can be found living in almost every habitat on earth. The only place that spiders are not found is only the harshest environments on Earth, the North and South poles, the highest mountains and the ocean. Some spiders have been found near the ocean, living in coral near the ocean edge.
A milliliter of blood contains about 5 billion red blood cells, each of which is packed with about 300 million hemoglobin molecules! A milliliter of blood contains about 5 billion red blood cells, each of which is packed with about 300 million hemoglobin molecules!
This is a blood test to find out how much hemoglobin is in your blood. Hemoglobin is the main part of your red blood cells. Hemoglobin is made up of a protein called globin and a compound called heme. Heme consists of iron and a pigment called porphyrin, which gives your blood its red color.Hemoglobin serves the important role of carrying oxygen and carbon dioxide through your blood. CBC is a blood test that counts all the different cells in your blood. A hemoglobin test may also be paired with a hematocrit test. When the two are tested together it is often called an H and H. The hematocrit blood test tells what percent of your blood is made up by red blood cells.