Figure shows human urinary system with structures labelled $A$ to $D$. Select option which correctly identifies them and gives their characteristic and/ or functions.
$C$ - Medulla inner zone of kidney and contains complete nephrons.
$D$ - Cortex outer part of kidney and do not contain any part of nephrons.
$A$ - Adrenal gland located at the anterior part of kidney. Secrete catecholamines which stimulate glycogen breakdown.
$B$ - Pelvis broad funnel shaped space inner to hilum, directly connected to loops of Henle.
How the parathyroid hormone increases the $Ca^+$ levels in the body.
Which one of the following flows directly into the blood from seat of its production to act on an organ away from it
If thyroid gland is completely removed from a tadpole, it will
Hormones originating in the hypothalamic neurons are released in posterioir pituitary from the ....$A$.... of neurons. The inhibitory and release hormones that regulate the functions of the ...$B$... pituitary reach there via ...$C$... circulatory system.
Select the correct combination of $A , B$ and $C$ in reference to above paragraph
"Water drinkers'' is the name given to persons who have