The blood is filtered at a high pressure and the kidney selectively reabsorbs any useful materials such as glucose, salt ions and water. After it has been purified, the blood returns to the ...

How does water move through plants to get to the top of tall trees? Here we describe the pathways and mechanisms driving water uptake and transport through plants, and causes of flow disruption.

After all, water supports your health by regulating body temperature, flushing out waste, lubricating joints and protecting your spinal cord and other sensitive tissues. But it can be tough to ...