<span>The nephron is the basic structural and functional unit of the kidney, it regulates the concentration of water and soluble substances like sodium through filtering the blood, reabsorbing what is needed and excreting the rest as urine. Therefore urine should be free of blood as the nephron filters the blood, cleaning it for the body to reuse.</span>
The answer is this:Members are focused when talking to one another. Hope this helps
those who are curious about their emerging self-concepts are more likely to engage in exploratory behavior to acquire the information they need.
