Control and coordination Worksheet-19
Subjective questions:
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Mention the source gland of thyroxine.
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What are the major divisions of the fore-brain?
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Name the major lobes of cerebral hemisphere.
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Give two functions of spinal cord.
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Name the part of brain which is a centre of perception of visual secretion.
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Which part of brain act as a centre of sensation of taste and smell?
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Which part of brain act as a centre of sensation of pitch and loudness of sound?
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Which part of brain act as a centre for balance of the body?
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What is the study of hormones called?
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Name the glands which secrete estrogen and progesterone.
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Give the function of parathormone.
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Give two examples of reflex actions performed in our daily life.
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Name the place of the human body where largest number of neurons are found.
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What is the chemical nature of hormone?
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Name some common functions of Nervous and Endocrine system.
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Name the part of the brain which is concerned with muscular coordination in the body.
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Name the neurons which carry impulses from receptor to brain.
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Name the neuron which transmit impulses from brain to the effector organ.
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Name the lower part of brain which contains reflex centre.
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State one main function of neuron.
Answer:
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Thyroid gland.
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Major divisions of the fore brain are cerebrum and olfactory lobes.
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Major lobes of cerebral hemisphere are occipital, temporal, frontal, parietal and olfactory lobes.
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Functions of Spinal Cord :
– Spinal cord is the main centre of reflex action.
– It is concerned with the conduction of nerve impulses to and from the brain.
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Occipital lobe.
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Parietal lobe.
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Auditory area in Temporal lobe.
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Cerebellum.
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Endocrinology.
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Ovaries.
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Parathormone regulates calcium and phosphate levels in the blood.
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Two examples are:
(i) When we put our hand in hot water, we withdraw our hand from the water.
(ii) We blink our eyes when a particle of dust touches the eyelids.
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Brain.
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Chemically hormones are not always protein, but they are of different chemical nature. They may be protein as insulin, polypeptide like parathyroid hormone.
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Regulation and integration of body process and maintenance of homeostasis condition are the common functions of both nervous and endocrine system.
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Cerebellum.
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Sensory neurons.
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Motor neurons.
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Spinal cord.
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Neuron is the functional unit of nervous system.