'Some 2 million nephrons in this pair of organs filter about 180 liters of blood each day'
kidneys
AROUND THE BODY: Some 2 million nephrons in this pair of organs filter about 180 liters of blood each day
Some 2 million nephrons in this pair of organs filter about 180 liters of blood each day
Some 2 million nephrons in this pair of organs filter about 180 liters of blood each day
AROUND THE BODY
kidneys
AROUND THE BODY