Multiple choice

Endocrine glands are those glands which secrete their fluids

  1. into blood through ECF

  2. into definite ducts

  3. into blood or ducts

  4. only when they rupture
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A Correct answer
Explanation

Endocrine glands are those glands which secrete their fluids into blood through ECF. The major glands of the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, testes, thyroid gland, parathyroid gland, hypothalamus and adrenal glands.

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