If an animal is made anaemic in an experiment,the production of which hormone will be increased?

Sandeep has brittle bones. He may be having deficiency of . . . . . . hormone secreted by kidney.

Prostaglandins affect

Identify the wrong statements:
$A.$ Erythropoietin is produced by juxtaglomerular cells of the kidney.
$B.$ Leydig cells produce Androgens.
$C.$ Atrial Natriuretic factor,a peptide hormone,is secreted by the seminiferous tubules of the testes.
$D.$ Cholecystokinin is produced by the gastro-intestinal tract.
$E.$ Gastrin acts on the gastric glands and stimulates the secretion of hydrochloric acid and pepsinogen.
Choose the most appropriate answer from the options given below:

Which of the following cranial nerves plays an important role in regulating the heartbeat?

Match List-$I$ with List-$II$.

List-$I$	List-$II$
$A.$ Heart	$I.$ Erythropoietin
$B.$ Kidney	$II.$ Aldosterone
$C.$ Gastro-intestinal tract	$III.$ Atrial natriuretic factor
$D.$ Adrenal Cortex	$IV.$ Secretin

Choose the correct answer from the options given below: