WHY AND HOW IS THE MEMBRANE OF NEURON POLARISED ?

explain human brain its functions??????????????

how many bones in human skull?

Structure of neoron

is there semester system in 11 th science in cbse?

 cn u label axoplasm n axoplasm fluid so dat ill be able to undrstnd the conc of k+ n na+ inside n outside d axon!! plz plz plz ellaborate 

explain about the sodium potassium pump !

 Please ...can you explain me what is reflex action ?

what is saltation conduction of nerve impulse . describe condction o nerve impulse at synapse?

difference between fibrous joint and catilagenous joint

give me a labelled diagram of rib cage.

what is stimulus

name the fluid present in the synaptic cleft between the pre and post synaptic neurons.

Wat are the differences between rods and cones.Give atleast 4 points

Assertion and Reason

Directions: The following question has two statements, Assertion and Reason.

Answer the question by choosing any one of the four responses.

Assertion: Brain and spinal cord are called modulators.

Reason: Their neurons receive a stimulus and set up a sensory impulse.

• A)

  If both Assertion and Reason are true and Reason is the correct explanation of Assertion

• B)

  If both Assertion and Reason are true but Reason is not the correct explanation of Assertion

• C)

  If Assertion is true but Reason is false

• D)

  If Assertion is false but Reason is true