38.3 The Excretory System <br />
Kidney <br />Organ that removes urea, excess water, and other waste products from blood.<br />
Ureter <br />Tube that carries urine from the kidney to the urinary bladder.<br />
Urinary Bladder <br />Saclike organ in which urine is stored before being excreted.<br />
Nephron<br />Blood-filtering unit in the renal cortex of the kidney.<br />
Filtration<br />Process by which a liquid or gas passes through a filter to remove wastes.<br />
Glomerulus<br />Small network of capillaries encased in the upper end of a nephron; where the filtration of blood takes pl...
Bowman’s Capsule<br />Cup-shaped structure in the upper end of a nephron that encases the glomerulus.<br />
Reabsorption<br />Process in which liquid is taken back into a vessel.<br />
Loop of Henle<br />Section of the nephron tubule that conserves water and minimizes the volume of urine.<br />
Urethra<br />Tube that carries urine from the bladder and releases it from the body; in males, through which semen is rele...
Key Concept<br />The kidneys play an important role in maintaining homeostasis. They remove waste products from the blood;...
Key Concept<br />As blood enters a nephron through the arteriole, impurities are filtered out and emptied into the collect...
Upcoming SlideShare
Loading in …5
×

Biology 38.3

1,869 views
1,670 views

Published on

1 Comment
0 Likes
Statistics
Notes
  • Be the first to like this

No Downloads
Views
Total views
1,869
On SlideShare
0
From Embeds
0
Number of Embeds
9
Actions
Shares
0
Downloads
94
Comments
1
Likes
0
Embeds 0
No embeds

No notes for slide

Biology 38.3

  1. 1. 38.3 The Excretory System <br />
  2. 2. Kidney <br />Organ that removes urea, excess water, and other waste products from blood.<br />
  3. 3. Ureter <br />Tube that carries urine from the kidney to the urinary bladder.<br />
  4. 4. Urinary Bladder <br />Saclike organ in which urine is stored before being excreted.<br />
  5. 5. Nephron<br />Blood-filtering unit in the renal cortex of the kidney.<br />
  6. 6. Filtration<br />Process by which a liquid or gas passes through a filter to remove wastes.<br />
  7. 7. Glomerulus<br />Small network of capillaries encased in the upper end of a nephron; where the filtration of blood takes place.<br />
  8. 8. Bowman’s Capsule<br />Cup-shaped structure in the upper end of a nephron that encases the glomerulus.<br />
  9. 9. Reabsorption<br />Process in which liquid is taken back into a vessel.<br />
  10. 10. Loop of Henle<br />Section of the nephron tubule that conserves water and minimizes the volume of urine.<br />
  11. 11. Urethra<br />Tube that carries urine from the bladder and releases it from the body; in males, through which semen is released from the body.<br />
  12. 12. Key Concept<br />The kidneys play an important role in maintaining homeostasis. They remove waste products from the blood; maintain blood pH; and regulate the water content of the blood and, therefore, blood volume.<br />
  13. 13. Key Concept<br />As blood enters a nephron through the arteriole, impurities are filtered out and emptied into the collecting duct. The purified blood exits the nephron through the venule.<br />

×