Name__________________
Homeostasis
Getting Started: Go to the following link: http://bit.ly/QhdKjU Follow the directions CAREFULLY and
make sure that you read all of the information on homeostasis thoroughly.
Questions for step 1-- Brain Pop:
http://bit.ly/QhfkCn
1. What part of the brain acts as the thermostat of the body?
2. In the human body, what type of feedback most often occurs with homeostasis?
3. What purpose does shivering serve?
4. Approximately how often did you pause the video?
i. 0
1–2
3–4
all
5. Approximately how often did you rewind the video?
i. 0
1–2
3–4
all
6. What are two other systems in the body that regulate or balance the conditions of the body?
7. Which way would you categorize what you have observed about thermoregulation and homeostasis?
(circle one)
thermoregulation is a type of homeostasis
or
homeostasis is a type of thermoregulation
Questions for Step 2 -- Homeostasis reading:
http://bit.ly/TwqjfI
8. Besides body temperature, list some of the other properties that your body regulates through homestasis.
9.When (for what reason) does the body use positive feedback?
10. What is the SET POINT?
11. Another name for the control center is the integrator. In the cartoon for negative feedback, what is the
integrator?
12. What is the role of the effector?
Question for Step 3 -- Blood Glucose Example:
13. Would you categorize blood glucose regulation as…(circle one)
positive feedback
or
negative feedback
Explain your answer.
Question for Step 4 – Bens Bad Day:
http://bit.ly/T84sWO
8:00 am When Ben wakes up to start his bad day, what system is first alerted?
What organ has to work more?
8:30 What body system tells him its cold? What helps him with this?
11:50 What senses his blood pH is too high? What organ helps regulate this?
5pm What senses his blood sugar is too low? What can fix this?
830 What senses his desire for water? What can fix this?
12am What senses his blood sugar is too high? What can fix this?
For Extra fun, go back and see if BEN is diabetic!
Summary:
What four components are needed in the body in order to regulate homeostasis?
What are the two types of feedback?