Your body must _____________________ to remain healthy.
Your body must _____________________ to remain healthy.
• These systems ____________________ as parts of your __________________
Excretory System – removes excess ________________________________________, and other wastes from our _____________________. Very important in regulating how much _________________________________!
• Kidneys – filter out excess ________________________
• Lungs – filter out _____________________, from the blood.
• Skin – excretes water, as sweat, which contains some trace chemical wastes, including urea.
Liver
• The Liver
– ________________________ (alcohol) so kidney can excrete them
– Processes harmful products from ___________________________ for kidneys to excrete as urea
• Wastes are ________________________________ before being sent to the kidney through the bloodstream
Nitrogenous Wastes
• Amino acids are broken down to _____________________ (highly toxic) which is _________________________________
• Nucleic Acids are broken down into ___________________ in the liver
• Urea is the primary waste product in human urine
The Urinary System
• The urinary system ________ the blood of ___________________________
• The urinary system also ______________________ by removing excess water
• Gets ________________________
Kidneys – ______________ and excess water from the blood.
Ureters – _________ that take urine from the ________ to the
____________________
Urinary Bladder – a ___________ that stores urine.
Urethra – small tube that __________________________
Regulating Fluid Levels
• The _____________ constantly monitors the amount of
_________________________
• When there is not enough water in the blood the
hypothalmus releases __________________________
this signals the kidney to _______________________
• When the brain detects _______________ in the blood,
the hypothalamus _________________________________
– This signals the kidneys to return less water to the blood and increase the amount of wastewater, called ________________, that is excreted.
– When there is lots of ADH in your blood your pee is ___________… why?
Organs of the Urinary System
• The main organs of the urinary system are two bean-shaped ________________
• The kidneys _____________________ that contains wastes collected from cells.
• It is made up of about 1 million tiny filtering units called ____________________
• In approximately 5 min, _____________________________________________
• Approx. 2,000 L of blood is filtered daily by the kidneys.
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