Question

chemical substances which are secreated from endrocrine glands
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Answer 1

Answer:

Endocrine glands - secrete chemical substances called hormones directly into the bloodstream for transport to target tissues. There are more than 20 steroid hormones in the body, ie. cortisol, cortisone, estrogen, progesterone, testosterone. Steroids are produced by the gonads (sex hormones) and by the adrenal cortex.