- Water in our bodies come from
drinking or is made by
metabolism
- Your body excretes excess water through
urination, breathing, sweat and feces.
-
Urine is a liquid waste made of water and dissolved substances. It is excreted from the
kidneys
- The kidney is:
-
Bean shaped
-
Filters wastes, water and salts from
blood
- There are
two kidneys
- Functions:
- Regulate
blood pressure and remove toxic wastes
- Produce
erythropoietin that stimulate red blood cell production
- Help control
pH
- Help control
electrolyte levels
-
Nephron is the filtering unit of the kidney
Parent Tip: Review the logic above to help your child master the concept of urinary system worksheet high school.