Excretory System: Organs and Functions | Reviewing Digestive, Excretory, and Circulatory Systems

1. You need: • Clean paper / Pencil • Excretory notes WS Warm Up: What are the organs of the excretory system? (any order) I CAN: identify the parts and function of the digestive, excretory, and circulatory systems. Sept. 13, 2019

2. Review Be the positive. It takes many “put-ups” to cancel a “put-down.”

3. Review Check your desk. Please be INTENTIONAL! Place, don’t toss/throw. Think about noise.

4. Today: • Schoolhouse Rock – Body Machine • Digestive video • Excretory – water filtration (review) • Excretory notes (review) • Excretory steps of the process (review and check – since it was homework!) • Schoolhouse Rock – Circulation • Circulatory Notes • Heart diagram (HW)

5. Review MRS NERG-C M - Movement R – Respirations S – Sensitivity (responds to stimulus) N – Nutrition / nutrients E - Excretion R – Reproduces G - Growth C - Cells

6. Review Body Organization Organism Organ System Organ Tissue Cell

7. Review The Digestive System

8. Review The Digestive System(Flip to the back of your notes) The digestive system has 3 main functions: • It breaks down food into particles that the body can use. • It absorbs nutrients into the blood. • It eliminates waste from the body. Mouth Esophagus

9. Review Categories of NUTRIENTS • Water - most important because other stuff can dissolve into it. “Water soluble” • Minerals • Vitamins • Fat • Carbohydrates • Proteins

10. Mouth Esophagus Stomach Liver Pancreas Gallbladder Small intestine Large intestine Rectum

11. The Digestive System • Liver, gallbladder and pancreas:produces & stores chemicals (enzymes) that help digest food in the small intestine. Mouth Esophagus Stomach Liver Pancreas Gallbladder

13. A C B E D G F I H J K

14. Excretory System Fluid’s

15. Main Function: The system of the body that collects waste produced by cells and removes the wastes from the body. (also known as: excretion)

16. Wastes Eliminated: It specifically removes Urea – chemicals that come from the break down of proteins Excess water Other wastes

17. Structures of the excretory system Kidneys – (2) filter blood Ureters – 2 narrow tubes that leading from the kidneys to the bladder Urinary Bladder-fist sized pouch (muscular sac) that holds about 2 cups of urine Urethra – exit tube

18. What happens in the Nephrons? Just to review… Materials and wastes go through the tubes Protein, glucose, most water, and some other materials return to the blood Wastes and small amounts of water stay and are excreted

19. Analyzing signs of disease… Doctors will dip a strip of paper into urine to test for the presence of glucose and protein. The presence of Glucose = diabetes The presence of Protein = kidneys not functioning correctly

20. Homeostasis with Excretion • Excretion maintains homeostasis by keeping the body’s internal environment stable and free of harmful levels of chemicals. • Kidneys • Lungs and Skin • Liver

21. Homeostasis • Kidneys • Regulate amount of water in your body • Hot day – you will sweat a lot, but you don’t drink a lot so you excrete small amounts of urine

22. Homeostasis • Lungs and Skin • Exhale carbon dioxide and water vapor • Sweat water and urea • Liver • Breaks down wastes before excreting them

23. The Excretory system Eliminates waste from the body.

24. BrainPop - Click here. Review, if needed • They have a video about the Urinary System (which is the same as the Excretory – although Excretory is likely the better name!). • Watch the video (maybe twice). • Answer the quiz questions…as a class or as an individual (or on paper) – it’s up to the teacher.

25. Blood vessels (in and out) Excretory system Kidneys = bean shaped, made of millions of nephrons to filter, take trash and a little water, good stuff is kept Kidneys Ureters = two tubes…one from each kidney to the bladder Ureters Bladder = holding pouch for urine (waste products and water) Bladder Urethra = tube from bladder to the outside of the body. Urethra

26. Word Bank • Kidney • Bladder • Nephron • Blood vessel/blood • Ureters • Urethra

28. Excretory PROCESS

29. Excretory PROCESS

30. Are there any questions?

31. What does it do for us? Our circulatory system… • Delivers necessary materials (like oxygen and sugar) to the entire body in the blood, • Removes waste products from cells, and • Helps fight disease by transporting immune cells in the blood.

32. From Body Right Atrium Right Ventricle To Lungs From Lung Left Atrium Left Ventricle To Body So, the detailed path of blood in your body would look like this: Lung Body

33. What carries the blood? • BLOOD VESSELS are the hollow tubes that carry your blood around your body. • There are 3 TYPES: • ARTERIES • CAPILLARIES • VEINS

34. What is your blood? Red Blood Cells carry oxygen. White blood cells fight disease. Platelets form blood clots to stop you from bleeding too much.

35. Heart labels HW: Due 9/17 • Label each part (use word bank) • Put the number into the blank beside the label used. (ex: 2-Right Ventricle) • Color the numbered areas (use any TWO colors, but tell me which represents oxygen-rich and which represents oxygen-poor. • Draw an arrow to show the path of blood flow through the heart/lungs

36. So what happens if you don’t take care of your circulatory system? Not enough good stuff to your body Build up of bad stuff in your body Heart Attack! (click this link to see a short video)