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Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
Excretion   Urinary System
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Excretion Urinary System

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A power point presentation for the topic - Urinary System. This is specially designed for high school students taking up biology class.

A power point presentation for the topic - Urinary System. This is specially designed for high school students taking up biology class.

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  • The undigested food is passed into the large intestine for temporary storage.  The undigested food contains a large amount of water and dissolved minerals like iron, calcium, and magnesium.  Some of the water and the dissolved minerals are absorbed
  • Transcript

    • 1. Lesson:EXCRETION
      The Excretory
      Systems
    • 2. What does the excretory system do?
      • Excretion is the process of removing metabolic wastes.
    • Excretion by Digestive System (Large Intestine)
      The Large Intestine
      Not all foods are digested and absorbed by our body.
      The undigested food is passed into the large intestine for temporary storage. 
      The undigested food contains a large amount of water and dissolved minerals like iron, calcium, and magnesium. 
      Some of the water and the dissolved minerals are absorbed by the walls of the large intestine and returned to our body through blood circulation. 
      The remaining solid waste after absorption is called feces. 
      Feces contains bacteria, undigested food, bile, and the remaining water and minerals. 
      It is discharged by the large intestine through the rectum.  It then leaves our body through the anus.
    • 3.
    • 4. Excretion by Respiratory System (Lungs)
      The Lungs
      The lungs are not only organs of respiration but also organs of excretion. 
      The lungs give off
      carbon dioxide
      water vapor as waste products. 
      These are picked up by the blood from the cells and brought to the lungs.  Then, the lungs give them off as we exhale or breathe out.
    • 5.
    • 6. Excretion by Integumentary System (Skin)
      The Skin
      removes metabolic wastes. 
      These metabolic wastes
      move out of the blood
      vessels through the
      capillaries into the
      sweat glands. 
      The skin excretes the following:
      water
      urea
      salt
    • 7. Excretion by Integumentary System (Skin)
      Each sweat gland has a sweat tube that leads to a small opening in the skin’s
      surface called pore.
      This is where water and salt pass out of the skin. 
      These wastes are collectively called
      sweatorperspiration.
    • 8.
    • 9. Different Excretory Systems
    • 10.
    • 11. CALORIES INCoca-Cola's Sodas, Soft Drinks: Coca-Cola, Classic
    • 12. Calories inFresh Banana, raw
    • 13. Water helps to remove the dangerous toxins that our body takes in from the air, the food and the chemicals we use on our skin and hair.
      Water also provides cushion for our body joints.
      Water carries oxygen and nutrients into all our cells.
      Water also helps to regulate our body temperature.
      Importance of Water in Human Body
    • 14. When we say “integrative”, this means that our body systems are interconnected to each other to maintain homeostasis.
      Our body has integrative body systems.
    • 15. Our body is so sensitive to everything we take in our body and to environment outsidewhere we live in. And because of its sensitivity, we need other body system to perform other major liquid excretionaside from excretion by our skin.
    • 16. Word origin: from the
      Greek:homeo, meaning unchanging
      + stasis, meaning standing.
      Human homeostasis refers to the body's ability to physiologically regulate its inner environment to ensure its stability in response to fluctuations in the outside environment and the weather.
      it is the state of balance in our body.
      What is human homeostasis?
    • 17. What will happen if you do not have the ability to maintain homeostasis in our body?
      Homeostatic imbalancewill lead to diseases or even death.
    • 18. The blood, which carries waste materials and other substances, enters the kidneys through the renal artery. 
    • 19. as blood surges through the kidneys, a filtering unit called nephrons filters the blood with nitrogenous waste urea, uric acid, salts and other metabolic wastes.
    • 20. Nephrons
      • Excess salts, water, wastes remain in the tubule and become urine
      • 21. Urine enters collecting ducts (tubes) in the medulla
      • 22. Collecting tubes empty into the renal pelvis (first section of the ureter)
      • 23. All the blood in the body passes through the kidneys about 20 times every hour. 
    • What is Uric Acid?
      Uric acid is a chemical created when the body
      breaks down substances called purines.
      Purines are found in some foods and drinks, such as liver, anchovies (oil fishes), mackerel, dried beans and peas, beer, and wine.
    • 24. The substances that are useful to the body are brought back into circulation.  Together with the clean blood, they leave the kidneys through the renal veins to the inferior vena cava and to the different parts of the body.
    • 25. The urine leaves the kidneys through the ureters, a muscular tubes 10-12 inches long that moves urine from the kidney to the urinary bladder.
    • 26. The urinary bladder(a hollow sac organ) that temporarily stores the urine that passes from the two ureters. The urethrafinally carries urine from bladder to outside of the body.
    • 27. The Urinary System
    • 28. The Urinary System
    • 29. Urethra
      Tube carries urine from bladder to outside
      Difference in male/female
      Females shorter
      Opens in front of vagina
      Male: carries both urine from urinary system and semen from the reproductive system
    • 30. Summary
      The state of balance in our body is called?
      Human homeostasis.
      The urinary system consists of the ?
      kidneys, ureters, urinary bladder and urethra.
        Kidneys are ?
      bean-shaped organ that contains filtering units called nephrons.
      The ureters are ?
      muscular tubes 10-12 inches long that moves urine from the kidney to the urinary bladder.
      Urinary bladder ?
      temporarily store the urine that pass from the two ureters.
      Urethra ?
      is a tube that carries urine from bladder to outside of the body.
    • 31. Different Excretory Systems
    • 32. CAUTION
    • 33. How many times do you urinate in one day?
      Humans produce about 2.9 liters of urine over 24 hours.
    • 34. What will happen if one of your kidney fail to function?
      Dialysis, a treatment where a machine does the job of the kidneys to filter the blood.
      used to provide an artificial replacement for lost kidney function .
      (renal replacement therapy) due to renal failure.
    • 35. What will happen if both of your kidneys failed to function?
      Kidney transplantation means replacement of the failed kidneys with a working kidney from another person, called a donor.
      Kidney transplantation is not a complete cure, although many people who receive a kidney transplant are able to live much as they did before their kidneys failed.
    • 36. Kid
      Nephrologist Donor
      A physician specializes in
      kidney diseases
    • 37. Kidney transplantation
    • 38. Prevention
      Do not delay urination when it is necessary.
      Drink 6-8 glasses of water every day.
       Eat a healthy diet. Avoid eating salty foods.
      Avoid drinking soft drinks and alcoholic drinks like beer and wine.
    • 39. Short Quiz
    • 40. 1.
    • 41. 2.
    • 42. 3.
    • 43. 4.
    • 44. 5.
    • 45. A. Matching Type. Match Column A to Column B. Letters only.
      Column B
      A. Dialysis
      B. Human
      homeostasis
      C. Kidney
      transplantation
      D. Nephrologist
      E. Urinary System
      Column A
      ___1. the major system excretion that removes
      liquid wastes. This excretory system consists
      of the kidneys, ureters, urinary bladder and
      urethra.
      ___2. used to provide an artificial replacement for
      lost kidney
      ___3. replacement of the failed kidneys with a
      working kidney from another person, called
      a donor.
      ___4. A physician who specializes in kidney disease.
      ___ 5. the state of balance in our body
    • 46. B. Trace the process through which urine is produced. Write 1, 2, 3, 4, and 5 on the blank according to order of urine production.
      6. The Urinary bladder (a hollow sac organ) then temporarily stores the
      urine that passes from the two ureters. The urethra finally carries
      urine from bladder to outside of the body.
      7. Excess salts, water, and wastes remains in the tubule and become urine
      after filtration. The substances that are useful to the body are brought
      back into circulation.  Together with the clean blood, they leave the
      kidneys through the renal veins.
      8. as blood surges through the kidneys, a filtering unit called nephrons
      filters the blood with nitrogenous waste urea, uric acid, salts and other
      metabolic wastes.
      9. Blood enters each of the kidneys through a large artery that branches
      off from the aorta through the renal arteries.
      10. the urine leaves the kidneys through the ureters, a muscular tubes
      10-12 inches long that moves urine from the kidney to the urinary
      bladder.
    • 47. ASSIGNMENT. Please do a research on the following urinary disorders. Look for the Symptoms and Treatments or Preventions of each disease. One urinary disease in each group.
      Cystitis - Group 1
      Urethritis - Group 2
      Renal Failure – Group 3
      References:
      http:// en.wikipedia.org/wiki/Urination_disorder
      Biology Science Impact by Pacifico C. Paywal and et. al., Academe Publishing House Inc 2006, pages 502 – 503 and pages 580 – 581.
    • 48. Criteria in judging class presentations of research.
    • 49. Thank You for Listening.
      Always remember
      “Prevention is BETTER than cure.”

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