Unit 3 - Bio Homeostasis and Feedback
Presentation
•
Biology
•
9th Grade
•
Medium
Standards-aligned
Jennifer McNamara
Used 39+ times
FREE Resource
9 Slides • 4 Questions
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Multiple Choice
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Multiple Choice
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Multiple Choice
When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. This is an example of a:
Positive Feedback Loop
Negative Feedback Loop
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Multiple Choice
When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed. This is an example of what type of feedback?
Positive Feedback Response
Negative Feedback Loop
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