2.75 Urine

• The brain influencing the functioning of the 2 kidneys and how the 2 kidneys are filtering are blood.
• The molecule which are remove, which come down the ureter collect in the bladder.
• Together this form what we know as urine.
• Urine contain salts, water and urea. The salts and water effects the composition of tissue fluid which is called osmoregulation. 
• The removal of urea is part of the process of the excretion of metabolic waste. The varies is depends up on the conditions that the person is operating.