If a person consumes iodine,it will be stored in which of the following organs?

When is thyrocalcitonin secreted?

Goitre occurs due to....

Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.
Assertion $(A):$ During pregnancy,the level of thyroxine is increased in the maternal blood.
Reason $(R):$ Pregnancy is characterised by metabolic changes in the mother.
In the light of the above statements,choose the most appropriate answer from the options given below:

............ support the process of red blood cells formation.

The symptoms of Hashimoto's disease develop like those of .....