Excretory System WebQuest

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Excretory System WebQuest
Date____________________
Name________________________
Class________________________
Use the website http://www.biology4kids.com/files/systems_excretory.html to answer
the following.
1. What are the results of the excretory system?
2. What is osmoregulation?
3. How do the kidneys play a role in hydration?
4. What do kidneys remove from blood?
5. How do the kidneys work with the endocrine system?
6. Label the diagram of the kidney below.
7. What is urea and where does it come from?
11. Below is a data table about the ways that your body loses water. Use the Create a
Graph website to make a bar graph comparing how you lose water per day and answer
the following.
ml lost from
Lungs
ml lost from
Urine
ml lost from
sweat
Total Water
Loss
Normal
Weather at rest
Hot Weather at
rest
250
250
Hot weather
and Under
heavy exercise
650
1400
1200
500
450
1750
5350
Make a graph comparing total water lost per day vs. temperature and activity level. Use
either excel or create a graph. Copy and paste it into this document. Use this data as a
way to answer the following questions.
12. Why does your body lose water through the skin more as you exercise?
13. How does your urinary system compensate (adjust to) for this increased loss from the
skin?
14. Why do you think you lose more from your lungs while exercising?
15. How does this data help show how the body maintains homeostasis?
Use the website below to explore how the kidneys actually filter the blood.
http://www.biologymad.com/resources/kidney.swf
1. What does the Pelvis of the kidney do?
2. What does the Medulla of the kidney do?
3. When you get to the animation of the nephron, click on various substances and watch
as the nephron does its work. Based on this animation indicate if the following
substances are removed and become waste or return to the blood.
Urea___________________________________
Glucose________________________________
Water__________________________________
Protein_________________________________
Sodium________________________________
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