Answer the following questions: –
- [1] Define the nervous system.
- The Nervous System is a system of nerves and nervous organs which control, link and coordinate the activities of the different parts of the body.
- [2] Based on the type of impulse, how many types of neurons are there?
- Based on their type of impulse, neurons are classified as sensory, motor, and association neurons.
- [3] What is a nerve fiber?
- It consists of a bundle of axons enclosed within a sheath.
- [4] Which types of neurons are there?
- The sensory neurons, the motor neurons, and the interneurons.
- [5] What is the function of a neuron?
- A neuron transmits impulses throughout the body.
- [6] Neuron has how many parts?
- A neuron is composed of three parts: a cell body, an axon, and a dendrite.