Homeostasis

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-LS1-3

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

• STABLE
• EQUAL
• COMPLETE
• CORRECT

Tags

CCSS.RI.11-12.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RL.8.4

CCSS.RL.9-10.4

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

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.

• Positive Feedback Response
• Negative Feedback Loop 

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

The ________________ is responsible for secreting hormones used to regulate blood sugar

• pancreas
• liver
• pituatary
• hypothalamus

Tags

NGSS.HS-LS1-3

Platelets act as ___________ during blood clotting

• Stimulus
• Receptor
• Effector
• Response

What type of feedback loop is shown?

• negative
• neutral 
• positive

Tags

NGSS.HS-LS1-3