Answer: Highly oxygenated blood enters the heart via the pulmonary veinsinto the left atrium of the heart. Veins return to the heart andnormally have relatively deoxygenated blood (pulmonary veins are anexception to this rule and have freshly-oxygenated blood) whilearteries go away from the heart and have highly oxygenated blood(the pulmonary artery bringing blood from the right ventricletoward the lungs is an exception and has poorly oxygenated blood).
Answer: It depends on what you mean by "warts" Warts are cause by a virus, so this virus in in the blood stream. HPV is the main cause of genital warts and is transmitted sexually. The virus attacks the cells of the skin, and causes warts to develop on the surface
Answer: ÝApproximately 80% of total body iron is ultimately incorporated into red cell hemoglobin. An average adult produces 2 x 1011 red cells daily, for a red cell renewal rate of 0.8 percent per day. Each red cell contains more than a billion atoms of iron, and each ml of red cells contains 1 mg of iron. To meet this daily need for 2 x 1020 atoms (or 20 mg) of elemental iron, the body has developed regulatory mechanisms whereby erythropoiesis profoundly influences iron absorption. Plasma iron turnover (PIT) represents the mass turnover of transferrin-bound iron in the circulation, expressed as mg/kg/day (Huff et al., 1950). Accelerated erythropoiesis increases plasma iron turnover, which is associated with enhanced iron uptake from the gastrointestinal tract (Weintraub et al., 1965). The mechanism by which PIT alters iron absorption is unknown.
Why does oxygen enter the blood stream?
so you can breath and ur blood goes arou nd your body for you to breath and it circulates good
The oxygen then clings to red blood cells as they pass through the alveolar capillariaries The inhaled oxygen passes into the alveoli and then diffuses through the capillaries into the arterial blood. Meanwhile, the waste-rich blood from the veins releases its carbon dioxide into the alveoli. The carbon dioxide follows the same path out of the lungs when you exhale.
Answer: It may help to step back and think about what blood does, and why it would matter that the blood is rich in oxygen (or CO2).Among other things, blood acts to transport oxygen and CO2 to or from tissues and organs, right? In order for the blood cells to carry them, the binding site on the blood cell would have to be open.So, if the blood is oxygen rich, that means that those blood cells are carrying as much oxygen as they can...there is simply no room for any CO2 to bind to the cells.So the reason it never mixes is because the oxygen is hogging the blood cells binding sites (or vice versa).
Answer: Large venous air embolisms (centimeters) may lead to death if they become lodged in the heart. if big enough they can cause the heart to loose prime and as a result stop the bood from flowing from the right ventricle to the lungs. Gas embolism into an artery, termed arterial gas embolism, or AGE, is a more serious matter than in a vein, since a gas bubble in an artery may directly cause stoppage of blood flow to an area fed by the artery. The symptoms of AGE depend on the area of blood flow, and may be those of stroke or heart attack if the brain or heart, respectively, are affected. The amount of arterial gas embolism which causes symptoms depends on location, but in the brain may be a bubble with a volume only a fraction of a milliliters. (sourced from wikipedia)