Answer: The problem is not blood in the urine itself. Rather blood in the urine is a sign of something. Something that is not right somewhere within the urogenital tract. For men and women. It could be something as simple as a low-grade infection. It might be a bladder or kidney stone, bobbling around causing irritation of the lining and therefore blood. Or it may be an early warning sign of a kideny cancer, ureteral cancer or even a bladder cancer. Could be a urinary tract infection. However take her to a urologist even if your doctor throws antibiotics at the problem or says come back in a few months and will see if the problem still exists. Find a urologist get her to it.
Answer: Red blood cells (RBC) are needed in the body for three reasons. They are used to carry oxygen molecules throughout the body (Platelets) Hemoglobin is the correct term or transporter. WBC are used to fight infection and keeps the body clean. There are 600-800 RBC per square inch of the body where as WBC are only at 100-300.
Answer: The lungs take in air. then lung capillaries, or small blood vessels, carry the blood to exchange carbon dioxide and oxygen. Then the heart pumps the oxygenated blood to the cells that need oxygen to break down sugar molecules.