Question

explain how are movements performed in our body by nervous tissue and muscle cells

Answer 1

nervous perform a specific function it transfer signal to mind

Answer 2

The whole mechanism of reflex action occurs in such a fashion that there is no conscious control of the brain. Stimulation occurs through the peripheral nervous system and the response to this peripheral nerve stimulation is involuntary. In a reflex action, the spinal cord along with the brain stem is responsible for the reflex movements.

blow or someone stamping the leg.The sudden removal of the hand from a sharp object.Sudden blinking when an insect comes very near to the eyes.

The whole process of reflex action involves some important components. They are receptor organs, sensory neurons, nerve center, associated neurons, motor neurons and effector neurons.

The receptor organs perceive the stimuli. They are situated on the sense organs. The afferent neurons or the sensory neurons carry the stimuli from receptors to the spinal cord. The ganglion of the spinal cord has the sensory neurons.

The spinal cord is the nerve center, where synaptic connections are formed. The associated neurons are present in the spinal cord. The ventral horn of spinal cord has the motor neurons. Effector organs are the glands and muscles that behave in response to the stimuli.

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