The urinary system means the discharge of liquid waste along with the solvable toxins and unnecessary materials in the form of urine. It is the important part of our excretory system. The list of the organs that are in the urinary system are as follow: 

  • Kidney
  • Ureters
  • Urinary Bladder
  • Urethra

There are two kidneys in the human body at the back of abdominal cavity on both sides of the backbone. They are like a bean in shape and are reddish brown in colour. There is two part of the kidney one is an external layer called Cortex and another is an internal layer called Medulla. Each kidney weight is about 150g.

The functions of kidneys are as follow:

  • To remove excess of salt and water from the body.
  • To control the amount of water in the body.
  • To purify the blood.
  • To control blood pressure and form the blood.

The urinary bladder is a hollow muscular organ like sac, where urine is collected from the ureters. The urinary bladder has the capacity to hold up to500-700 ml urine but the human beings feel to urinate the urine when the bladder is about 300-400 ml filled. The function of the urinary bladder is to collect the urine from the kidney. 

The blood containing waste materials like an excess of water, urea, uric acid and other nitrogenous mixture etc enters in the kidney by a renal artery. The waste materials from the blood and the excess of water are absorbed by the nephrons and it converts them into the urine. Then the urine is transfer towards the ureters, then ureters collect the urine in the urinary bladder. When the urinary bladder get started to be filled, then human being started to feel for doing urination. Human beings can produce about 900 ml to 1800 ml urine per day but depending upon the human being how much fluid they inhale that changes urination in decrease or increase. The urine gets released through the urethra or reproductive part of the male and female.