Unraveling the great eight-glasses-a-day myth
The microscopic water highway inside us
Eating your water and the liquid landscape
The extremes of too much and too little
doctorx Steer water droplets along the body's highway to learn how much water you actually need.
doctorx The Sodium-Potassium Pump
Sodium pumps out, potassium pulls in, keeping cells balanced.
doctorx This rapid recycling system adjusts urine concentration within minutes to maintain perfect fluid levels and systemic balance throughout your body.
What percentage of the water filtered by the kidneys is typically reabsorbed back into the bloodstream?
doctorx Chemical signals from the brain adjust urine output to protect your hydration levels.
Which hormone does the pituitary gland release to signal the kidneys to conserve water?
Cellular plumbing: A single aquaporin channel allows up to three billion water molecules to pass through a cell membrane every single second.
In which year did scientist Peter Agre discover the specialized water channel proteins called aquaporins?
For his discovery of aquaporins, Peter Agre was awarded the Nobel Prize in which scientific field?
A membrane protein that forms a pore to facilitate the flow of water across cellular membranes. Peter Agre received the 2003 Nobel Prize in Chemistry for discovering these cellular channels in 1992.
Which primary electrolyte works outside of cells to help hold water in the bloodstream and tissue fluids?
What is the scientific term for the movement of water across a membrane toward a higher concentration of solutes?