<span>The
answer to this question is Endocrine System. Endocrine System consists of
different glands that discharge hormones directly to the circulatory system
like the heart, blood, blood vessels. The hormones that are secreted by the
endocrine system helps developed or body. The endocrine system consist of major
glands which are the hypothalamus, pituitary glands, thyroid, adrenals,
reproductive organs, parathyroid, pineal glands, and the pancreas. </span>