What is the route of urine production and excretion?

1.

Production of urine

1. Glomerular filtration after drinking water through the

gastrointestinal mesenteric vessels absorbed into the blood, human blood through the glomerular basement membrane, some components of the blood will be filtered through the glomerular capillary, into the renal sacs, the formation of raw urine.

2. Renal tubular reabsorption of

raw urine will enter the renal sacs and collecting ducts, reabsorption, absorption of water and urea, uric acid and other metabolic products.

2. Urine discharged after the

formation of urine will first reach the renal pelvis, and then through ureter peristaltic into the bladder storage, urine storage to a certain amount, will stimulate the bladder center issued micturition instructions, and then discharged through the urethra.