Homeostasis: Feedback Loops

Front

What are the two types of feedback systems that help organisms maintain homeostasis?

Back

Positive and negative feedback systems.

Tags

NGSS.HS-LS1-3

Front

In a negative feedback loop, each action creates a consequence that _____________________ the other action.

Back

decreases.

Tags

NGSS.HS-LS1-3

Front

What type of feedback loop is characterized by amplifying responses?

Back

Positive feedback loop.

Front

Describe a positive feedback response in the context of blood clotting.

Back

When a cut occurs, skin cells release hormones that attract platelets, which then release more hormones to attract even more platelets until the bleeding stops.

Tags

NGSS.HS-LS1-3

Front

What is a negative feedback loop?

Back

A process that counteracts a change, bringing the system back to its set point.

Tags

NGSS.HS-LS1-3

Front

Give an example of a negative feedback loop in the human body.

Back

Regulation of body temperature: when body temperature rises, mechanisms are activated to cool the body down.

Tags

NGSS.HS-LS1-3

Front

What is homeostasis?

Back

The maintenance of a stable internal environment in an organism.

Tags

NGSS.HS-LS1-3

Front

How does a positive feedback loop differ from a negative feedback loop?

Back

Positive feedback amplifies changes, while negative feedback reduces them.

Tags

NGSS.HS-LS1-3

Front

What role do receptors play in feedback loops?

Back

Receptors detect changes in the environment and send signals to effectors.

Tags

NGSS.HS-LS1-3

Front

What are effectors in the context of feedback loops?

Back

Effectors are organs or cells that carry out responses to restore homeostasis.

Tags

NGSS.HS-LS1-3