Mention the different between hypothyroidism and hyperthyroidism

2

(a)

Inflammatory responses can be controlled by a certain steroid.Name the steroid, its source and also its other important functions.

2

(a)

old people have a weak immune system. What could be the reason?

2

(a)

Mention the difference between hypothyroidism and hyperthyroidism.

2

(a)

Correct the following statements by replacing the term underlined.
(i) Insulin is a steroid hormone.
(ii) TSH is secreted from the corpus luteum 
(iii) Tetraiodothyronine is an emergency hormone.
(iv) The pineal gland is located on the anterior part of the kidney.

2

(a)