8th Grade Ch 4 Sec 3 Excretory System

4,337 views

Published on

Published in: Education
0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
4,337
On SlideShare
0
From Embeds
0
Number of Embeds
17
Actions
Shares
0
Downloads
155
Comments
0
Likes
1
Embeds 0
No embeds

No notes for slide

8th Grade Ch 4 Sec 3 Excretory System

  1. 1. Ch. 4 Sec. 3 Excretory System
  2. 2. The Excretory System Removes solid liquid & wastes
  3. 3. kidneys major organs of excretion eliminate urea, excess water, & other wastes
  4. 4. <ul><li>To locate your kidneys, put your hands on your hips, then slide your hands up until you can feel your ribs. </li></ul><ul><li>Now if you put your thumbs on your back, you will know where your kidneys are. </li></ul><ul><li>You can't feel them, but they are there. </li></ul>
  5. 5. bladder <ul><li>muscular bag that holds urine </li></ul>
  6. 6. <ul><li>tube that carries urine from kidney  bladder </li></ul><ul><li>tube thru. which urine passes out of body </li></ul>ureter urethra
  7. 8. Kidneys are essential to our well-being. Though they are small – about the size of a clenched fist – people can’t survive very long without them.
  8. 9. <ul><li>Normally, people have two kidneys, located just under the ribs in the middle of the back. </li></ul><ul><li>About 10 centimeters long and shaped like kidney beans, they are often called the body’s “master chemists” because of all the functions they perform. </li></ul>
  9. 11. urea = chemical that comes from breakdown of proteins - formed in liver A chemical analysis can be useful in detecting medical problems. Normally, urine contains almost no glucose or protein.
  10. 12. nephrons <ul><li>Tiny, filtering factories found in kidneys </li></ul><ul><li>Remove wastes from blood & produces urine </li></ul>
  11. 13. urinary system
  12. 14. bladder kidney ureter urethra bladder - a hollow organ that stores urine until it is excreted. kidney – 2 bean-shaped organs that take waste from the blood & produce urine. ureter - 2 tubes, each of which carries urine from a kidney to the bladder. urethra - the tube that carries urine from the bladder out of the body.

×