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At the capillary level of our cardiovascular system tiny vessels pick up waste products from cells.
In exchange, the blood picks up waste from the cells, including carbon dioxide, heat and excess water. The heart pumps blood throughout the body through a closed system of tubes. These tubes that carry the blood are called blood vessels. There are three types of blood vessels: arteries, veins, and capillaries. LESSON 1.1 -
Blood picks up multiple things from cells. They pick up waste products like carbon dioxide and water, and they also pick up oxygen from the lungs.
Capillaries
cholesterol will build up in the arteries, veins and ventricles.
I would not expect much exchange between red blood cells and body cells in arteries because arteries primarily carry oxygenated blood away from the heart at high pressure, facilitating rapid transport rather than exchange. In contrast, exchange occurs mainly in capillaries where blood slows down, allowing red blood cells to release oxygen and pick up carbon dioxide and other waste products from body cells. Veins mainly return deoxygenated blood to the heart, so their function is also not focused on exchange.
Capillaries surrounding cells pick up blood containing Water (dissolved in the plasma) and carbon dioxide (on the red blood cells) to bring it back through the veins and to the lungs. If I didn't answer your question or you want to ask more, post a message on my message board!
Arteries take blood from the heart to the cells of the body. Capillaries take the blood to the individual cells to give them food and oxygen. They then take Carbon Dioxide and waste away from the cells. Veins then take blood from the capillaries back to the heart. The Heart then sends blood through another artery to the lungs. It goes through different capillaries to get rid of Carbon Dioxide and pick up Oxygen. Then it goes through another vein back to the heart. From the heart, it goes back to the starting point.During the process, some of the blood going to the cells of the body goes through the kidneys to get rid of wastes. Some goes through the liver to get rid of different wastes and to pick up food from the intestines. Some goes to muscles. Some goes to the brain. Some feeds the heart so it can pump blood.veins,artery,capillaries.
Capillary beds carry deoxygenated blood into veins to return the blood to the heart and then to the lungs to pick up oxygen.
Varicose veins are a disease, and Medicare will definetly cover this procsedure.Thier are several different procedures and they will pick the right one for you.
Oxygen