Name:
Date:
Period:
HOMEOSTASIS AND FEEDBACK
QUESTIONS
1. What are three
examples of
homeostasis?
NOTES
2. You just learned
two scientific terms
related to body
temperature. What do
you think “therm”
means?
Debbie the lizard is a _________________________________
Homeostasis means a ________________________________.
It describes how __________________________________
work together.
animal. Another word for this is _______________________.
This means that her body temperature can change with the
_____________________________________.
Humans are _______________________________________.
The scientific term for this is ___________________________.
4. Why is sweating an
example of negative
feedback?
Negative Feedback:
When some __________________________ triggers a
______________________________________ to return to a
____________ point.
When ______________________ gets too high, a hormone
called ________________________ gets released. It makes the
cells ________________________ the glucose. When glucose
gets too ________________, a hormone called
______________________ is released to make the
________________ release glucose.
5. Why do
contractions get
stronger and closer
together as labor goes
on?
Positive Feedback: When your body wants to
________________________ as response.
Childbirth is an example. Each _____________________
makes the baby push on the _______________________. This
releases more _________________________ that increase the
contractions.
6. Is diabetes a failure
of a Negative or
Positive feedback
loop?
Type I Diabetes: Your ________________________ is the
organ that produces _____________________________. When
it doesn’t work correctly, insulin is not produced. Without it,
your cells can’t take up _______________________ to make
energy.