The Excretory System by Brandi Walters

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Warm Up

• The Excretory System by Brandi Walters
• Read silently and answer questions
• Back side cross out question that states
• People often sweat more when they are
  exercising

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The Excretory System

• How Our Body Eliminates Waste and keeps us
  healthy!

Excretory System Urinary System
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• Function
• Removes or excretes excess water, H2O, urea,
  carbon dioxide, CO2, and other wastes from our
  blood.
• Importance
• Harmful chemicals made when the body creates
  energy must be removed from blood to keep you
  healthy

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Body Parts that Excrete Waste

• Kidneys filter out excess water, salt and
  chemicals as urine
• Lungs filter out carbon dioxide, CO2, from the
  blood. (respiratory system)
• Skin excretes water, as sweat, which contains
  some trace chemical wastes, including urea.
  (epidermis)

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Liquid Waste Urine

• Liquid waste urine

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• http//kidshealth.org/kid/htbw/USmovie.html?tracki
  ngK_RelatedArticle

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Artery
Kidney
Vein
Ureter
Urinary Bladder
Urethra
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Order

• Kidney K Ureter B Urethra
• Ureters
• Urinary BLADDER
• Urethra

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Frayer Models

• 53B gt Functions

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Kidneys

• Function - filter wastes and excess water from
  the blood.
• Importance control the amount of water in body,
  tell body when to make new red blood cells, take
  harmful chemicals from blood
• Other Info located in back under ribs
• You have 2 kidneys, but can live with 1
• Picture

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Ureter

• Function - tubes that take urine from the kidney
  to the urinary bladder.
• Importance after the waste is filtered from
  blood, it must go to the bladder for storage
• Other Info each kidney has its own ureter
• Picture

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Urinary Bladder

• Function a sack that stores urine/liquid waste
• Importance Holds urine until you go to the
  bathroom
• Other Info when full, a message is sent to your
  brain telling you to go to the bathroom
• Picture

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Urethra

• Function- small tube that carries urine out of
  the body.
• Importance connects the bladder to the outside
  of the body, how urine leave body
• Other Info about 6mm wide
• Picture

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Nephrons

• Tiny tubes in the kidneys that filter and clean
  blood and balance supply of water and salt.
  (about 1 million per kidney)

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(No Transcript)
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Brain Pop
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Independent Practice

• Independent Practice
• Handouts
• Waste Removal and Edhelper Articles
• gt read and answer questions
• Finish for HW if not done in class
• r

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Independent Practice

• 1st block
• Handouts
• Waste Removal and Edhelper Articles
• gt read and answer questions
• Finish for HW if not done in class
• r

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Exit

1. The ______________ filter waste and excess water
   from the blood.
2. The tube that carries urine out of the body is
   called the _____________.
3. The urinary bladder stores ____________ until it
   is ready to exit the body.

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• http//www.whyzz.com/why-is-pee-yellow
• http//kidshealth.org/kid/htbw/pee.html

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Signs of Disease

• Doctors analyze urine for disease
• Normal urine contains water, urea and trace
  minerals.
• Sugar in urine indicates Diabetes
• Protein in urine indicates the kidneys are not
  working and the person, or animal, is very sick.

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Warm Up

• How the Excretory System Work Notebook Quiz
• Write the word from the word bank to complete
  each definition
• You will be able to use notes so make sure you
  have them ?

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• Warm Up Answers
• Excretory System
• Lungs
• Skin
• Kidneys
• Urine
• Nephrons
• Ureter
• Bladder
• Urethra

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• HW review
• Removes Water Kidneys, Skin
• Brings Oxygen to blood Lungs
• Removes Salt Kidneys, Skin
• Stores Urine Bladder
• Removes C02 Lungs
• Produces Urine Kidneys
• Removes Body Heat Skin

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Urinary Bladder Urethra

1. D. Bladder
2. B. Ureters
3. D. One
4. C. Three
5. A. Valves
6. B. True
7. A. False

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The Kidneys

1. B. Two
2. D. Five
3. D. A kidney bean
4. C. To take waste out of blood
5. D. Renal Artery
6. B. Ureters
7. D. In the bladder
8. C. Red Blood
9. To replace the water and electrolytes your body
   looses when it sweats

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• Todays Goal
• To memorize the functions and order of the
  Kidneys, Ureter, Bladder and Urethra
• To learn the difference between URETER and
  URETHRA

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• Foldable gt 4 doors
• Outside Inside
• Kidney Info given in
• Ureter diagram on 53B
• Bladder
• Urethra

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Independent Practice

• Textbook
• The Bladder Article Questions
• Colored Diagram
• Crossword Puzzle
• What is Urine? Article
• you must go in order

• Textbook
• 52 55 B
• Answer 1 3 on 55
• Write questions and answers
• each assignment is worth a 100 HW grade if
  completed,
• If not it is a zero

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Exit

1. What are the tubes that carry urine from the
   kidneys to the bladder called?
2. The __________ is the tube that carries urine out
   of the body.
3. What is the job of the kidneys?

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Warm Up

• The Excretory System
• HW will be collected once quiz starts

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Brain Pop
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Quiz

• Put something in front of and beside you
• Eyes on your own paper
• No talking

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Excretory/Urinary System Problems

• With your group you will create an educational
  poster about a excretory/urinary problem
• Depending on the assigned topic, you will be
  given a set of questions to answer and put on
  your poster

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Excretory/Urinary System Problems Educational
Poster

• Due at the end of class today
• Grade depends on the following
• Completion all the required info is on the
  poster
• Collaboration (working together, everyone
  helping)
• Use of time and resources
• Neatness, Color and Pictures