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What are Multipolar neurons,Bipolar neurons and Unipolar neurons
explain reflex action
what is homeostasis?
Please explain me the Conduction of Nerve Impulse in simple words
MECHANISM OF VISION
mechanism of hearing and vision .
explain each 4 3marks
Why the membrane of a neuron is polarised?
What is homoestasis?
EXPLAIN THE ROLE OF DIFFERENT PARTS OF INNER EAR IN HUMAN WITH DIAGRAM
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.
If both Assertion and Reason are true and Reason is the correct explanation of Assertion
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
If Assertion is true but Reason is false
If Assertion is false but Reason is true
plz explain me generation and conduction of nerve impulse ?
explain about the sodium potassium pump !
HOW DOES LIGHT DISSOCIATE OPSIN FROM RATINAL
what is amygdale and hippocampus?
are yellow spot and blind spot the same or they different
Is giving a sudden brake comes under reflex action?
WHY AND HOW IS THE MEMBRANE OF NEURON POLARISED ?
explain human brain its functions??????????????
how many bones in human skull?
is there semester system in 11 th science in cbse?
what is twilight vision and daylight vision
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
Structure of neoron
what is macula lutea?where it is present?show it with a diagram
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
what do u mean by concentration gradient?
labelled diagrams of the following:
(a) Neuron (b) Brain (c) Eye (d) Ear
what is a nerve impulse ? how it is conducted hrough a nerve fibre ? mention any 2 factors which can increase the velocity of a nerve fibre ?
structure of brain
name the fluid present in the cochlea of the inner ear.
nice flow chart n video on the mechanism of hearing .Thnx meritnation!
what is the exact location of hypothalamus?
hello experts i didnt understand these points plz explain in easy words
At the resting state of a neuron:
Axonal membrane is more permeable to K+ and nearly impermeable to Na+.
It is impermeable to negatively charged proteins present inside the axoplasm. Thus, it does not let them go out.
As a result, the axoplasm has more concentration of K+ and negatively charged proteins, and less concentration of Na+. This creates a concentration gradient.
can i have a labelled diagram of vestibular appratus ?
difference b/w electrical synapses and chemical synapses
steps of making a working model of reflex arc as my project for exhibition
dear experts , i have some questions here
1.the hormone which when deficient causes cushings syndrome .
2.give two points of difference between cretenism and myxoedema .
3.can there be dna replication without cell division . comment.
4.enumerate the different types of nerve fibres depending on nature and function .
5 . a person has excessive thirst and production of large amount of urine . the doctor did not advice him to stop taking sugar . name the disese and explain what happens in it .
6.difference between glomerular filtration and ultra filtration .
please i need these answers by tomorrow night .its a request .
the following processes:
Polarisation of the membrane of a nerve fibre
Depolarisation of the membrane of a nerve fibre
Conduction of a nerve impulse along a nerve fibre
(d) Transmission of a nerve impulse
across a chemical synapse
expilain mechanism of generation and conduction of nerve impulse?
axonal membrane is impermeable to Na+. Then how does it allow 3 Na+ to flow from the axonal membrane?
i want the weightage of this chapter for cbsc.................please
difference between rods and cones ?
what is the full form of GABA?
What does melatonin influences?
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