Complex sentence: Arginine vasopressin (AVP), also known as vasopressin, argipressin or antidiuretic hormone (ADH), is a neurohypophysial hormone found in most mammals, including those humans responsible for increasing water absorption in the collecting ducts of the kidney nephron.
Split into simpler sentences: Arginine vasopressin (AVP), also known as vasopressin, argipressin or antidiuretic hormone (ADH), is a neurohypophysial hormone found in most mammals, including humans. Vasopressin is responsible for increasing water absorption in the collecting ducts of the kidney nephron.