Verified Answer :

pandamille

The endocrine system consists of glands that secrete
chemical messengers, called hormones, into the bloodstream.
hypothalamus, pituitary, pineal, thyroid, parathyroid, thymus, adrenal,
pancreas, and gonads.

Answer:

The correct answer is the endocrine system and 2nd one on edgunity is exocrine

Explanation:exocrine is the only system substances through ducts and endocrine contains glands that secrete hormones into bloodstream

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