Tuesday, March 2, 2010

Our Urinary System


Verse:
Wash away all my iniquity and cleanse me from my sin.
Psalm 51:2

Books:
"The Human Body" by Mary Elting

Things we did:
  • learned that it is essential that we have at least one kidney to survive
  • located our kidneys
  • learned that kidneys, particularly the nephrons, filter waste out of the blood and that it flows through at least 400 times per day
  • learned that kidneys create homeostasis or creates balance of water and minerals
  • learned that kidneys send out chemicals informing the body when it needs new red blood cells
  • learned that water in = water out
  • discusses several different ways to ingest water and lose water
  • learned that lighter colored urine means it contains more water and that is good!
  • IMG_8677
  • identified the parts of the urinary system and pathway of urine
  • urinary tract infections can be common. Another reason why it is good to drink a lot of water.
  • colored our kidneys and bladder, cut and pasted it on our body
  • recreated the urinary system using fruit slices gummy candy for the kidneys, shoestring twizzlers for the uretha and ureters, and a bulging grape for the bladder

Vocabulary Words:
  • kidneys
  • nephrons
  • filtration
  • ureters
  • bladder
  • uretha
  • homeostasis

Video:
We didn't watch this in class, but I thought this would be a nice re-cap
http://kidshealth.org/PageManager.jsp?lic=1&article_set=59257&cat_id=20607

Useful Websites:
http://kidshealth.org/kid/htbw/kidneys.html#

Note: Today we had an usually high number of students needing to visit the restroom - all but two.

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