Homeostasis and Cells

Front

What is homeostasis?

Back

Homeostasis is the maintenance of a relatively stable internal environment in an organism, often incorporating feedback regulation.

Tags

NGSS.HS-LS1-3

Front

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

Back

Stable

Tags

NGSS.HS-LS1-3

Front

How does a cell maintain homeostasis?

Back

A cell maintains homeostasis by regulating what enters and leaves the cell.

Tags

NGSS.HS-LS1-3

Front

What is a negative feedback loop?

Back

A negative feedback loop is a process that counteracts a change in a system, helping to maintain stability.

Tags

NGSS.HS-LS1-3

Front

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

Back

When body temperature rises, the body sweats to cool down, which is a negative feedback response.

Tags

NGSS.HS-LS1-3

Front

What role does insulin play in homeostasis?

Back

Insulin helps lower blood sugar levels by allowing glucose to enter cells.

Tags

NGSS.HS-LS1-3

Front

What is a positive feedback loop?

Back

A positive feedback loop amplifies a change in a system, leading to an even greater change.

Tags

NGSS.HS-ESS2-2

Front

How does the body respond to low blood sugar levels?

Back

The body releases glucagon, which raises blood sugar levels by signaling the liver to release glucose.

Tags

NGSS.HS-LS1-3

Front

What is the significance of feedback regulation in homeostasis?

Back

Feedback regulation is crucial for maintaining stability in biological systems by responding to changes.

Tags

NGSS.HS-LS1-3

Front

What happens during a feedback loop when a stimulus is detected?

Back

The body initiates a response to counteract the stimulus and restore balance.

Tags

NGSS.HS-LS1-3