![Mayo Clinic Q and A: Blood disorder causes body to make too many red blood cells - Mayo Clinic News Network Mayo Clinic Q and A: Blood disorder causes body to make too many red blood cells - Mayo Clinic News Network](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2017/11/red-blood-cells_185574854-original-size.jpg)
Mayo Clinic Q and A: Blood disorder causes body to make too many red blood cells - Mayo Clinic News Network
![We have two types of blood in our body, red and blue. But when we bleed, only red blood comes out. Why is it that no blue blood ever comes out? - We have two types of blood in our body, red and blue. But when we bleed, only red blood comes out. Why is it that no blue blood ever comes out? -](https://qph.cf2.quoracdn.net/main-qimg-aa7885e750d2463a20c648f232c70472.webp)
We have two types of blood in our body, red and blue. But when we bleed, only red blood comes out. Why is it that no blue blood ever comes out? -
![What makes up our blood? RED BLOOD CELLS (Erythrocytes) – The most abundant cells in our blood; they are produced in the bone marrow and contain a protein. - ppt download What makes up our blood? RED BLOOD CELLS (Erythrocytes) – The most abundant cells in our blood; they are produced in the bone marrow and contain a protein. - ppt download](https://slideplayer.com/17200971/99/images/slide_1.jpg)
What makes up our blood? RED BLOOD CELLS (Erythrocytes) – The most abundant cells in our blood; they are produced in the bone marrow and contain a protein. - ppt download
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