Short Answer Type
Long Answer TypeShort Answer TypeLong Answer TypeCause : It is caused due to the excessive secretion of thyroxine.
Symptoms :
The disease is characterised by increased rate of metabolism, bulging of eyeballs, increased blood pressure and excessive perspiration.
2. Iodine Deficiency Goitre :
Cause : It is caused due to the lack of iodine in food.
Symptoms : It causes enlargement of thyroid gland. It occurs mostly to the people of hilly areas.
3. Cretinism :
Cause : It is caused due to hyposecretion of thyroxine in children.
Symptoms :
The person suffering from cretinism shows
stunted growth, mental retardation and low blood pressure.
4. Myxoedema :
Cause : It is caused due to the hyposecretion of thyroxine in adults.
Symptoms :
The affected person shows low metabolic rate, body temperature, mental retardationand weakness.
Explain the following :
(a) Insulin lowers the blood sugar level.
(b) Hypothalamus and pituitary function as an integrated and coordinated system.
(c)Body growth is greatly accelerated at puberty in the male.
(d) Adrenal medulla and the sympathetic nervous system function as a closely integrated system.
(e) Pituitary gland regulates the reproductive system.
Short Answer Type
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