Excretory System

• Excretion is the process by which the body gets rid of wastes produced by its cells, such as salt, and uric acid.
• Kidneys are similar to bean-shaped organs.
• Kidneys are the excretion of urine.
• Each kidney has millions of Nephrons.
• Each nephron includes a filter called a glomerulus and a tubule.
• Ureters are tubes in which urine flows from the kidneys to the bladder.
• Urinary bladder stores urine.
• Urethra is the exit point of urine.
• Sphincters are circular muscles that help keep urine from leaking.
• Nephritis is the inflammation of the nephrons.
• Nephritis is caused by bacterias.
• Kidney cancer is the most common cancer in men and the second most common in women.
• UTI or Urinary Tract Infection is caused by bacteria.
• kidney stones is formed as small as a pebble or large as golf ball.
• Kidney stones is caused by insufficient water and eating too much salty foods.
• To prevent these diseases, always drink water, exercise, stop smoking, and eat a healthy diet.