Answer:(c) Thyroid secretes thyroxine hormone and plays an important role in the body's metabolisms and calcium balance (decrease calcium in blood). Oxytocin is secreted from the posterior pituitary gland. It causes contraction of the smooth muscles of the uterus and myoepithelial cells lining the duct of the mammary gland. Hence it is also called as birth hormone and milk ejection hormone. Corpus luteum secretes progesterone hormone which supports pregnancy
