Homeostasis

Front

What is Homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

Front

What is a Positive Feedback Loop?

Back

A Positive Feedback Loop is a process that amplifies or increases the effects of a stimulus, moving the system away from its starting state.

Front

What is a Negative Feedback Loop?

Back

A Negative Feedback Loop is a process that counteracts a change by initiating responses that return the system to its set point.

Front

What happens when blood glucose levels are high?

Back

When blood glucose levels are high, the pancreas releases insulin to help lower the glucose level in the blood.

Front

What is the normal blood glucose level?

Back

The normal blood glucose level is approximately 90 mg/100 mL.

Front

What is the role of insulin in blood glucose regulation?

Back

Insulin helps lower blood glucose levels by facilitating the uptake of glucose into cells.

Front

What is the role of glucagon in blood glucose regulation?

Back

Glucagon raises blood glucose levels by promoting the release of glucose from the liver into the bloodstream.

Front

What is the response in the body when temperature increases during exercise?

Back

The body responds to increased temperature by sweating to cool down.

Front

What is the set point in homeostasis?

Back

The set point is the ideal value or range that the body tries to maintain for various physiological parameters.

Front

How does the body respond to low blood glucose levels?

Back

The body responds to low blood glucose levels by releasing glucagon, which stimulates the liver to release glucose.