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the chemical s released by endocrine glands
directly into blood and blood contains plasma
the plasma is only capable of carrying small
molecules.
thyroid---thyroxin
pancreas---insulin
adrenal gland------adrenaline hormone
directly into blood and blood contains plasma
the plasma is only capable of carrying small
molecules.
thyroid---thyroxin
pancreas---insulin
adrenal gland------adrenaline hormone
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