The hormone having a stimulatory effect on the heart is

If adrenal cortex function is impaired,it results in decreased concentration of one of the following in the blood.

Select the correct option on the basis of the following sentences regarding a gland's functions:
$(I)$ Hormones increase alertness.
$(II)$ Hormones increase the heart beat.
$(III)$ Stimulate the breakdown of glycogen.
$(IV)$ Stimulate the breakdown of lipids and proteins.

Cushing's syndrome,which is characterized by the wasting of limb muscles and the accumulation of fat in the trunk region,is due to the hypersecretion of:

Which gland is associated with the balance of salts in the body?

The hormones produced from the adrenal cortex and sex hormones are chemically ........