Homeostatic Feedback Loops

Most of the body's feedback loops are ____________ loops.

• positive

• negative

Tags

NGSS.HS-LS1-3

Negative Feedback Loops:

• amplify processes

• prevent small changes from getting larger

• are initiated during childbirth

• are found only in plants

Tags

NGSS.HS-LS1-3

________________ feedback loop makes a system more stable.

• Positive

• Neutral

• Negative

• Circular

Tags

NGSS.HS-LS1-3

A _________________ feedback loop moves a system to an extreme.

• Positive

• Neutral

• Circular

• Negative

A thermostat in a central heating system can determine the temperature of your living room. It switches the air conditioner on when the temperature increases to a predetermined level and shuts it off when it cools to another level. The room temperature remains within a comfortable level regardless of the temperature outside.

• Positive Feedback Loop

• Negative Feedback Loop

Tags

NGSS.HS-LS1-3

Negative feedback loops result in stabilization of a system.

Negative feedback is a process that _______ the effects of a change.

• reduces

• amplifies

• has no effect

Tags

NGSS.HS-LS1-3

Loops that cause a response to build up and build up until something big happens are called ____________ loops

• positive

• negative

Tags

NGSS.HS-LS1-3

Positive feedback loops result in a system moving towards an extreme. Positive feedback is a process that _______ the effects of a change.

• reduces

• amplifies

• has no effect

Tags

NGSS.HS-ESS2-4

Define Negative Feedback Loop

• mechanism that reverses a condition that has exceeded the normal homeostatic range to restore homeostatis.

• A small mass of specialized tissue located in the right atrium that normally acts as the pacemaker of the heart.

• Bicuspid, tricuspid, Semilunar

• The period of relaxation in the heart when the chambers are filling with blood.

Tags

NGSS.HS-LS1-3

This term means: A cycle of events of the status of a controlled condition is being monitored and reported back to the body.

• Homeostasis

• Stability

• Feedback loop/cycle

• Homeostatic response

Tags

NGSS.HS-LS1-3