HomeoStasis.

Question 1

What is Homeostasis?

Answer 1

• Regulation of internal conditions of a cell or organism to maintain optimum conditions for function in response to internal and external changes.

How does it works?
- Consists of automatic control systems making sure that the internal conditions of the body stays as constant as possible.

Question 1

What is Homeostasis?

Question 2

What does the automatic control system in the human body involve?

Answer 2

• Nervous system or hormones.
  Features:
  1) Receptor Cells: Detect changes in the environment and this change to the environment is called a stimulus.
• Receptor cells pass information to the coordination centre.
  E.g: Brain, Spinal Cord, Pancreas.
  2) Coordination Centre: Receives and processes the information from the receptor cells + sends instructions to the effector.
  3) Effector (Muscle or gland): Carry out the response. Restore optimun level.