What materials are filled from the blood in the kidney what materials remain in the blood?

In the kidneys, materials such as water, electrolytes, glucose, amino acids, and waste products like urea are filtered from the blood. While useful substances like red blood cells, proteins, and larger molecules generally remain in the blood, the kidneys selectively reabsorb essential nutrients and water back into the bloodstream. This filtration process helps maintain homeostasis and regulates the composition of blood.