Homeostatis

What is homeostatis?

The regulation of internal conditions in response to internal and external changes, to constantly maintain optimum conditions for functioning.

Where can homeostatis happen?

In a cell or whole organism.

What does homeostatis maintain?

Optimum conditions for all cell functions and enzyme action.

What does homeostatis control in the human body?

Blood glucose concentration, body temperature and water levels.

What can the automatic control systems of homeostatis involve?

Nervous or chemical responses.

What do all control systems involve?

Receptor cells, coordination centres and effectors.

What can a receptor cell do?

Detect stimuli or change in the environment.

What can the coordination centres do?

Receive and process information from receptors.

Where can the coordination centres happen?

The brain, spinal cord and pancreas.

What can the effectors do?

Produce responses to restore optimum conditions.

Where can the effectors happen?

Muscles or glands.