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What are Multipolar neurons,Bipolar neurons and Unipolar neurons
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
explain reflex action
what is homeostasis?
Why the membrane of a neuron is polarised?
Please explain me the Conduction of Nerve Impulse in simple words
MECHANISM OF VISION
mechanism of hearing and vision .
explain each 4 3marks
EXPLAIN THE ROLE OF DIFFERENT PARTS OF INNER EAR IN HUMAN WITH DIAGRAM
What is homoestasis?
HOW DOES LIGHT DISSOCIATE OPSIN FROM RATINAL
plz explain me generation and conduction of nerve impulse ?
of the vertebrate eye, where the optic nerve passes out of the
(d) optic chaisma
oxygenated blood never goes to heart in ;
a) fishes b) birds c) reptiles d) mammals
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 ?
Please ...can you explain me what is reflex action ?
explain human brain its functions??????????????
how many bones in human skull?
what is refractory period?
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
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.
name the fluid present in the synaptic cleft between the pre and post synaptic neurons.
what is stimulus
what is ganglia?plz answer
Wat are the differences between rods and cones.Give atleast 4 points
what do u mean by concentration gradient?
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 ?
labelled diagrams of the following:
(a) Neuron (b) Brain (c) Eye (d) Ear
name the fluid present in the cochlea of the inner ear.
what is crista?
structure of brain
nice flow chart n video on the mechanism of hearing .Thnx meritnation!
1. Identify the endocrine glands which are associated with the following events/features.
(a) Releases hormones during emergency situations.
(b) Hormone released by this gland helps in the differentiation of T- lymphocytes.
(c) Deficiency during pregnancy leads to cretinism.
(d) Present in close contact with hypothalamus and controls other endocrine glands.
(e) Helps in maintaining the diurnal rhythms of sleep-wake cycle.
can i have a labelled diagram of vestibular appratus ?
structure of synapse
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 .
expilain mechanism of generation and conduction of nerve impulse?
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
name the four lobes (corpora quadrigemina) present in the mid brain.
mention 1 function each.
what is the exact location of hypothalamus?
nodes of ravienar
difference between rods and cones ?
what is the full form of GABA?
What does melatonin influences?
Why conduction of nerve is faster in myelinated nerve fibre
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