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What are Multipolar neurons,Bipolar neurons and Unipolar neurons
which fibres carry impulses between gyri of the same hemisphere, between gyri in opposite hemisphere, and between brain and spinal cord?????
explain reflex action
what is homeostasis?
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
Please explain me the Conduction of Nerve Impulse in simple words
MECHANISM OF VISION
mechanism of hearing and vision .
explain each 4 3marks
hw dos tis grey matre favour intelligence?
Why the membrane of a neuron is polarised?
EXPLAIN THE ROLE OF DIFFERENT PARTS OF INNER EAR IN HUMAN WITH DIAGRAM
What is homoestasis?
plz explain me generation and conduction of nerve impulse ?
damage to medulla can cause death. justify
HOW DOES LIGHT DISSOCIATE OPSIN FROM RATINAL
what is amygdale and hippocampus?
are yellow spot and blind spot the same or they different
WHY AND HOW IS THE MEMBRANE OF NEURON POLARISED ?
How many joint are there in a human skull?
explain human brain its functions??????????????
how many bones in human skull?
is there semester system in 11 th science in cbse?
explain about the sodium potassium pump !
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
when the concentration of Na+ is already high outside the cell why does the Na+ again flow from the cell to the outer surface?
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
what do u mean by concentration gradient?
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
labelled diagrams of the following:
(a) Neuron (b) Brain (c) Eye (d) Ear
Der are negatively charged proteins in the axoplasm makin it negatively charged. The membrane is immpermeable to -ve proteins. both K+ and Na+ are positively charged. Hw exactly does the change in the charges take place? :S
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 ?
name the fluid present in the cochlea of the inner ear.
Brieflydescribe the structure of the following:
Brain (b) Eye (c) Ear
structure of brain
nice flow chart n video on the mechanism of hearing .Thnx meritnation!
(a)Central neural system (CNS) and Peripheral neural system (PNS)
(b)Resting potential and action potential
(c) Choroid and retina
can i have a labelled diagram of vestibular appratus ?
what is limbic system?
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?
what is the exact location of hypothalamus?
difference between rods and cones ?
what is the full form of GABA?
What does melatonin influences?
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