-Over secretion is termed hyperthyroidism this causes:
• Increased Basal Metabolic Rate (BMR) hence increased temperature.
Person becomes very angry, nervous and hands may shake.
• Increased heartbeat which lead to cardiac failure.
-Under secretion is termed hypothyroidism:
• Poor growth and mental retardation (cretinism).
• Reduced metabolic rate hence decreased temperature.
• Person becomes inactive and slothful.
• Eyes and face become puffy as fluid gets stored under skin.
• In extreme cases the tongue is swollen and skin becomes rough.
• Enlarged thyroid gland.
Wilfykil answered the question on February 28, 2019 at 12:08
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