what is the two endocrine systems ?
Endocrine glands are ductless glands of the endocrine system that secrete their products, hormones, directly into the blood. The major glands of the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, testes, thyroid gland, parathyroid gland, hypothalamus and adrenal glands.
The two endocrine systems include :-
Exocrine glands - produces non hormonal substances such as saliva and sweat
Endocrine gland - produce and release hormones directly into the blood
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