Download Excretory System WebQuest

Name _____________________________________
Excretory System WebQuest
Complete all parts of this webquest.
PART A: WEBSITE #1: Go to: http://learn.fi.edu/learn/heart/systems/excretion.html
1. The process of __________ involves finding and removing ________ materials produced by the_____.
2. The primary organs of excretion are the _________, _________, and __________.
3. _______ gases are carried by _________ traveling through the veins to the lungs where __________
takes place.
4. Dead cells and__________ are removed from the body through the skin which is part of the
____________ system.
5. Liquid waste is removed from the body through the _________.
6. The kidneys are small (about 10 centimeters long) reddish-brown organs that are shaped like ________.
7. During ___________, blood passes through the __________ in order to deposit used and unwanted
__________, ___________, and a nitrogen-rich molecule called__________.
8. The kidneys ___________ the wastes from the __________, forming a liquid called __________.
9. The kidneys funnel the urine into the __________ along two separate tubes called __________.
10. The bladder stores the urine until muscular ______________ force the urine out of the body through the
___________.
11. Each day, your kidneys produce about ____________ of urine.
12. This occurs through the process of _____________.
Name _____________________________________
13. If your kidneys are _____________ and not working properly, the buildup of toxic waste in your system
will eventually lead to ___________.
PART B: WEBSITE #2: Go to: http://www.medindia.net/animation/anatomy_urinary.asp Slow Website
May Take Time to Load!
1. Each kidney is about the size of a human ____________.
2. Label the diagram.
3. The specialized unit of the kidney is called the nephron, and its function is to produce _____________
by filtering waste and extra fluid from the blood. (Stop at slide 3)
PART C: WEBSITE #3: Go to: http://www.tutorvista.com/content/biology/biology-iv/excretion/nephronstructure.php
4. The _________________ is the functional unit of the kidney. It consists of a twisted ____________
closed at one end and open at the other with a network of associated blood vessels (glomerulus).
5. Each kidney has approximately ____________ nephrons that are about __________ in length.
Name _____________________________________
PART D: WEBSITE #4: Go back to: http://www.medindia.net/animation/anatomy_urinary.asp (slide 4)
6. Blood enters the kidney through the renal _____________ and passes into the nephron.
7. The bulk of the filtering takes place in the _________________.
8. The filtered wastes then travel through the tubule where the excess fluid is converted to ____________.
9. The urine reaches the renal pelvis and passes into the ____________.
10. Next, it enters the urinary ____________ to be stored until it is released via the ______________.
11. Finally, the filtered blood leaves the kidney through the renal ______________.
WEBSITE #5: Go to http://www.muschealth.com/video/Default.aspx?videoId=10098&cId=24&type=rel1.
1.
What is dialysis?
2.
What are some benefits of dialysis?
PART E: Label the diagram of the urinary system. Use the Website of Your Choice.
Name _____________________________________
Summarize what you have learned about the function of the:
Kidneys Ureters Bladder Urethra What are the 3 other excretory organs?
What are the components of urine?
What builds up in the body if someone’s kidney stopped functioning?
List 5 interesting facts you have learned about the excretory system:
1.
2.
3.
4.
5.