Provide the differences between the following:
$(1)$ Neural system and Endocrine system
$(2)$ Hormones of adrenal cortex and Hormones of adrenal medulla
$(3)$ Thyroid hormones and Parathyroid hormones

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(N/A) $(1)$
Neural systemEndocrine system
$(1)$ Neurotransmitters are released due to nerve impulse stimulation.$(1)$ Transported by blood throughout the body.
$(2)$ Primarily affects muscles and glands.$(2)$ Induces changes in metabolic processes.
$(3)$ Rapid conduction of signals.$(3)$ Slower response (seconds to days).
$(4)$ Reaction time is very short.$(4)$ Reaction period is comparatively longer.

$(2)$
Hormones of adrenal cortexHormones of adrenal medulla
$(1)$ Steroid hormones.$(1)$ Catecholamine hormones.
$(2)$ Affects kidney and various tissues.$(2)$ Affects cardiac tissue and smooth muscles.
$(3)$ Regulates water-electrolyte balance and glucose metabolism.$(3)$ Stimulates metabolic activities during stress.
$(4)$ Examples: Cortisol,Aldosterone.$(4)$ Examples: Adrenaline,Noradrenaline.

$(3)$
Thyroid hormoneParathyroid hormone
$(1)$ Main hormone is Thyroxine $(T_4)$.$(1)$ Main hormone is Parathyroid hormone $(PTH)$.
$(2)$ Iodinated amino acid derivative.$(2)$ Peptide hormone.
$(3)$ Increases basal metabolic rate.$(3)$ Increases $Ca^{2+}$ level in the blood.
$(4)$ Hyposecretion causes cretinism or myxedema.$(4)$ Hyposecretion causes tetany (muscle spasms).

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