NERVOUS SYSTEM (SJI10 3RD Q)

The ________ is a complex network of neurons

and cells that carry messages to and from the brain and

spinal cord to various parts of the body.

It is the system that allows different organs and parts of the

body to communicate with one another.

The basic functional unit of the nervous system. It carries messages to and from the different parts of the body.

Which one is the function of Dendrites

• receive messages

  from neighboring

  neurons

• Send messages to

  the surrounding

  body organs

• allows different organs and parts of the body to communicate

• carry messages to and from the brain

Part of Neuron that send messages to the surrounding neurons or body organs

conduct info from the sensory receptors in the various parts of the body to the CNS

• Sensory

• Interneuron

• Motor

• Locomotor

relay info from one neuron to another in CNS where the info is interpreted and a response is initiated

• Sensory

• Interneuron

• Motor

• Locomotor

carry signals from the CNS to the specific body parts that carry out the response

• Sensory

• Interneuron

• Motor

• Locomotor

The Central Processor

The brain weighs approximately 1.4 kg and composed of 1 billion neurons.

• TRUE

• FALSE

The ________ connects the two hemispheres of the brain.