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OCR: HORMONES ORMONES are chemical In animals, hormones coordinate messengers found in both plants activities such as growth and and an imals plants. hormones are reproductive cycles Animal hormones for growth mo yeinents are released by organs called endocrine glands and are carried all around the body by the blood. Hormones work more slowly than the nervous system. but their effects last longer For example growth hormones prod uce changes that take place over years. Fight or flight When cat is frightened, the hormone epinephrine prepares to Fight or run away. Epinephrine an unusually fast- acting hormone responsible movements bormone