Which one of the following is not a second messenger in hormone action?
$Calcium$
$Sodium$
$cAMP$
$cGMP$
Which one of the following hormone controls the water and mineral metabolism
Term 'hormone' was coined by
Some hormones check the milk from being secreted by the mammary glands till the birth of young ones even though the glands are all prepared to do so. They are
Match the source gland with its respective hormone and function and select the correct option.
$I.$ Autocrine hormones $II$. Endocrine hormones $III.$ Paracrine hormones
Among them which one is/are local regulator and don't travels through blood?