What processes take place during the period when the blood enters the kidney till the time urine leaves the body
- THE WASTES PRODUCED IN THE CELLS MUST BE REMOVED.A MECHANISM TO FILTER THE BLOOD IS NEEDED,THIS IS DONE BY THE BLOOD CAPILLARIES IN THE KIDNEY.
- WHEN THE BLOOD REACHES THE KIDNEY,IT CONTAINS BOTH USEFUL AND HARMFUL SUBSTANCES.THE USEFUL SUBSTANCES ARE ABSORBED BY THE BLOOD.THE WASTES PRESENT IN THE WATER RELEASES AS URINE.
- FROM THE KIDNEYS,THE URINE GOES INTO THE URINARY BLADDER THROUGH A TUBE-LIKE STRUCTURE CALLED URETER.IT IS STORED IN THE URINARY BLADDER AND IS PASSED OUT THROUGH THE URINARY OPENING AT THE END OF THE MASCULAR TUBE CALLED URETHRA.
- THE KIDNEYS,THE URETER,THE BLADDER AND URETHRA FORMS THE EXCRETORY SYSTEM.