active protein
42
30
proteins
it stimulates the release of aldosterone
the urethra and the urinary bladder empty the urine
fatty acids
erythropoietin
horse
ruminant's stomach
urea
diploids
proestrus
pepsin is an active enzyme
parturition
oxytocin
involution
polypeptides, peptides, amino acids
anestrus
peristalsis