- Life Sciences
the process whereby useful molecules, such as glucose and amino acids, as well as water and salts, are selectively re-absorbed from the filtrate in the nephron tubules into the blood capillaries.
animals that live socially or in colonies and perform certain tasks for the good of the colony...
the actions of the body's immune system that work to fight infections or disease.
a thin hairlike outgrowth of an epidermal cell of a plant root that increases the surface area...