Control and Coordination
What is Control and Coordination
Control and coordination is the system by which all activities of the body are
regulated and work together properly.
In humans, it is done by:
Nervous system
Endocrine (hormonal) system
Nervous System
Function
It controls and coordinates body activities using electrical signals.
Main Parts
Part Function
Brain Controls thinking, memory, actions
Spinal cord Reflex actions, connects brain to body
Nerves Carry messages
Neuron (Nerve Cell)
Neuron – The structural and functional unit of nervous system.
Parts of Neuron
Part Function
Dendrites Receive message
Cell body Processes message
Axon Sends message
Reflex Action
Reflex action is a quick, automatic response to a stimulus.
Example
Touching a hot pan → hand moves back quickly.
