1.3 Homeostasis and Feedback Loops

What is another word that can be used to describe "homeostasis"?

• STABLE
• EQUAL
• COMPLETE
• CORRECT

Tags

NGSS.HS-LS1-3

If the environment gets cold, we will often shiver in order to:

• keep body temperature the same as the external temperature
• decrease body temperature
• increase body temperature
• regulate blood pressure

Tags

NGSS.HS-LS1-3

Homeostasis in the human body is often maintained by a: 

• neutral feedback loop 
• solar feedback loop
• positive feedback loop
• negative feedback loop

Tags

NGSS.HS-LS1-3

The maintenance of an organism’s internal environment is called:

• compensating
• homeostasis
• balancing
• routine

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-3

chemical made by glands that tell cells to make something or respond in some way.

• acid
• enzyme
• perspiration
• hormone

Homeostasis

• allows for a wildly fluctuating internal environment

• keeps conditions exactly the same

• maintaining a stable internal environment

• creates tissues from specialized cells

Tags

NGSS.HS-LS1-3

Positive feedback is when the change caused by the stimulus is

• decreased
• non existant
• increased
• changes constantly

Tags

NGSS.HS-LS1-3

When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.  

• Positive Feedback Response
• Negative Feedback Loop 

Tags

NGSS.HS-LS1-3

This is an example of ______________ feedback

• Positive
• Negative
• Middle 
• None of the above

Tags

NGSS.HS-LS1-3

What type of feedback loop is shown?

• Positive
• Neutral
• Negative

Tags

NGSS.HS-LS1-3