Moderate

Goiter is one of the abnormalities due to the deficiency of hormone:

Correct answer: B. Thyroxine

  • A. Adrenaline
  • B. Thyroxine
  • C. Oxytocin
  • D. Parathormone

Explanation

The most common cause of goitres worldwide is a lack of iodine in the diet. In the United States, where the use of iodized salt is common, a goitre is more often due to the over or under-production of thyroid hormones or to nodules in the gland itself.

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About Coordination and Control

Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.

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