Response To Stimulus:
Stimulus: Stimulus is a sudden change in the
external or internal environment, which excite
the nerve or organism or muscle as whole. The
stimulus which is capable to just excite given
tissue is called threshold stimulus.
There are many types of stimuli which can
excite the tissue:
a. Mechanical stimuli: These include touch
muscular stress etc.
b. Physical stimuli: These include heat and
humidity.
c. Chemical stimuli: The electrical stimuli is able
to excite tissue.
Synapse:
Synapse is an area of functional contact
between one neuron and another to transfer
information. Synapses are usually found
between the fine terminal branches of the axon
of a neuron and the dendrites or cell body of
another.
Reflex Action And Reflex Arc:Reflex actions are very rapid, involuntary
automatic and stereotyped behaviour, in which