![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-1d96a6523b953c4b3d8d737e472b0269.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? -
![Red Blood Cells In An Artery Or Blood Vessel, Flow Inside The Body, Medical Human Health Care. 3D Rendering. Stock Photo, Picture And Royalty Free Image. Image 172244732. Red Blood Cells In An Artery Or Blood Vessel, Flow Inside The Body, Medical Human Health Care. 3D Rendering. Stock Photo, Picture And Royalty Free Image. Image 172244732.](https://previews.123rf.com/images/superone/superone2107/superone210700148/172244732-red-blood-cells-in-an-artery-or-blood-vessel-flow-inside-the-body-medical-human-health-care-3d-rende.jpg)
Red Blood Cells In An Artery Or Blood Vessel, Flow Inside The Body, Medical Human Health Care. 3D Rendering. Stock Photo, Picture And Royalty Free Image. Image 172244732.
![Red blood cells in an artery or blood vessel , flow inside body, medical human health-care. 3D Rendering. 6667101 Stock Photo at Vecteezy Red blood cells in an artery or blood vessel , flow inside body, medical human health-care. 3D Rendering. 6667101 Stock Photo at Vecteezy](https://static.vecteezy.com/system/resources/previews/006/667/101/large_2x/red-blood-cells-in-an-artery-or-blood-vessel-flow-inside-body-medical-human-health-care-3d-rendering-free-photo.jpg)
Red blood cells in an artery or blood vessel , flow inside body, medical human health-care. 3D Rendering. 6667101 Stock Photo at Vecteezy
![Red blood cells inside an artery, vein. Flow of blood inside a living organism. Scientific and medical concept. Transfer of important elements in the Stock Photo - Alamy Red blood cells inside an artery, vein. Flow of blood inside a living organism. Scientific and medical concept. Transfer of important elements in the Stock Photo - Alamy](https://c8.alamy.com/comp/2BBGP71/red-blood-cells-inside-an-artery-vein-flow-of-blood-inside-a-living-organism-scientific-and-medical-concept-transfer-of-important-elements-in-the-2BBGP71.jpg)
Red blood cells inside an artery, vein. Flow of blood inside a living organism. Scientific and medical concept. Transfer of important elements in the Stock Photo - Alamy
![3D rendering red blood cells in an artery, flow inside body, medical human health-care Stock Photo by ©donfiore1 170263382 3D rendering red blood cells in an artery, flow inside body, medical human health-care Stock Photo by ©donfiore1 170263382](https://st3.depositphotos.com/1184748/17026/i/1600/depositphotos_170263382-stock-photo-3d-rendering-red-blood-cells.jpg)
3D rendering red blood cells in an artery, flow inside body, medical human health-care Stock Photo by ©donfiore1 170263382
![Red blood cells in an artery or blood vessel , flow inside body, medical human health-care. 3D Rendering. 6666467 Stock Photo at Vecteezy Red blood cells in an artery or blood vessel , flow inside body, medical human health-care. 3D Rendering. 6666467 Stock Photo at Vecteezy](https://static.vecteezy.com/system/resources/previews/006/666/467/non_2x/red-blood-cells-in-an-artery-or-blood-vessel-flow-inside-body-medical-human-health-care-3d-rendering-free-photo.jpg)
Red blood cells in an artery or blood vessel , flow inside body, medical human health-care. 3D Rendering. 6666467 Stock Photo at Vecteezy
![Red blood cells in an artery or blood vessel , flow inside body, medical human health-care. 3D Rendering. 6663031 Stock Photo at Vecteezy Red blood cells in an artery or blood vessel , flow inside body, medical human health-care. 3D Rendering. 6663031 Stock Photo at Vecteezy](https://static.vecteezy.com/system/resources/previews/006/663/031/non_2x/red-blood-cells-in-an-artery-or-blood-vessel-flow-inside-body-medical-human-health-care-3d-rendering-free-photo.jpg)
Red blood cells in an artery or blood vessel , flow inside body, medical human health-care. 3D Rendering. 6663031 Stock Photo at Vecteezy
![Red blood cells in an artery, flow inside body, medical human health-care background. Blood view under a microscope. Macro streaming of red blood cells in a Vein. 3d rendering. Stock Illustration Red blood cells in an artery, flow inside body, medical human health-care background. Blood view under a microscope. Macro streaming of red blood cells in a Vein. 3d rendering. Stock Illustration](https://as2.ftcdn.net/v2/jpg/03/32/33/49/1000_F_332334913_4tSoWo7IcBY3QVFKHWTOITVqe9uGBFZ6.jpg)
Red blood cells in an artery, flow inside body, medical human health-care background. Blood view under a microscope. Macro streaming of red blood cells in a Vein. 3d rendering. Stock Illustration
![Red blood cells inside an artery, vein. Flow of blood inside a living organism. Scientific and medical concept. Transfer of important elements in the Stock Photo - Alamy Red blood cells inside an artery, vein. Flow of blood inside a living organism. Scientific and medical concept. Transfer of important elements in the Stock Photo - Alamy](https://c8.alamy.com/comp/2BBGP6T/red-blood-cells-inside-an-artery-vein-flow-of-blood-inside-a-living-organism-scientific-and-medical-concept-transfer-of-important-elements-in-the-2BBGP6T.jpg)
Red blood cells inside an artery, vein. Flow of blood inside a living organism. Scientific and medical concept. Transfer of important elements in the Stock Photo - Alamy
![There's a condition that can cause human blood to turn green | Office for Science and Society - McGill University There's a condition that can cause human blood to turn green | Office for Science and Society - McGill University](https://www.mcgill.ca/oss/files/oss/styles/hd/public/blood_0.jpg?itok=XUVdbzYH×tamp=1574445459)