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Excretory system


Curipod generated lesson: "Excretory system ". #5-7

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Updated 5 months ago

1. Slide
60 seconds
Excretory System
2. Drawings
120 seconds
Checkin: Draw/write - How you are feeling today
3. Word cloud
120 seconds
What do you think when you hear 'excretory'?
4. Slide
60 seconds
Your cells produce waste, which if not removed can become quite toxic. These wastes flow into the bloodstream and are removed by the kidneys together with any excess water. Our kidneys work like a filtration system.
5. Slide
60 seconds
Your body has two kidneys, each about 10 cm long and shaped like a bean. One of the waste substances carried by the bloodstream is called urea. The blood travels to the kidneys on either side of the spine, toward the lower back. Each kidney has about 1 250 000 nephrons or filters that filter the blood. They remove wastes and excess water and salt. The waste travels along the small tubes in the kidney and finally into the ureter.
6. Open question
240 seconds
What organs are part of the excretory system and how do they work together?
7. Slide
60 seconds
8. Slide
60 seconds
The ureter is a long tube that leads from the kidney to the bladder. Your bladder is a hollow muscular organ that collects the waste liquid called urine. Urine is a solution of wastes dissolved in water. When the bladder becomes full a muscle in the lower bladder relaxes and expels the urine.
9. Poll
60 seconds
What is the main function of the excretory system?
  • To break down food into nutrients
  • To produce hormones for growth and development
  • To remove waste products from the body
10. Open question
300 seconds
What do you think is the most important organ in the excretory system and why?
11. Poll
60 seconds
Which organ in the excretory system filters blood and removes waste products?
  • Heart
  • Kidneys
  • Liver
12. Slide
60 seconds
Urine: Urine is a liquid waste produced by the kidneys that contains salts, urea, and other substances. The kidneys filter the blood and remove excess water, electrolytes, and waste products, which form the urine. Excretion: Excretion is the process of getting rid of metabolic waste and other substances from the body. It is carried out by the kidneys, intestines, lungs, and skin. Kidney: The kidney is an organ in the human body that is responsible for filtering out toxins and waste products from the blood and excreting them as urine. It is also involved in regulating the body's fluid and electrolyte balance.
13. Poll
60 seconds
What is urea?
  • A waste product formed from protein breakdown
  • A type of muscle tissue
  • A hormone produced by adrenal gland
14. Drawings
450 seconds
Brain break: Draw a smiling sun wearing a cowboy hat and boots.
15. Slide
60 seconds
The body can produce up to 4 gallons of urine every day. The kidneys filter out about 1 to 2 quarts of waste and extra water from the blood every day. Some species of fish have a built-in excretory organ called the 'kidney sac' which helps in removing waste from the body.
Did you know?
16. Open question
300 seconds
What would happen to your body if it didn't have an excretory system?
17. Poll
60 seconds
Which tube carries urine from each kidney to the bladder?
  • Ureter
  • Urethra
  • Vagina
18. Open question
300 seconds
What are the benefits of having an efficient excretory system?
19. Open question
180 seconds
What is the main function of the excretory system?

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