The kidney's proximal tubule reabsorbs water, glucose, ions and other small molecules from the urine and thus maintains the body's supply of these essential constituents. The tubule can be easily ...

Prior to using this narrative, have learners create their own model of a cell in their notebooks using whatever background information or experience they might have. While exploring the narrative, ...

The interactions within and between the organelles inside our cells could hold the key to understanding complex diseases such as cancer and neurodegeneration. Recent advances in imaging techniques are ...