4 Questions
Which glands do not have excretory ducts and secrete substances into the blood?
Pancreatic and adrenal glands
What is the product of secretion of endocrine glands?
Hormones
Which glands are considered as Central endocrine glands?
Thyroid and pituitary
What type of hormones include catecholamines, estrogen, and vasopressin?
Peptide hormones
Test your knowledge about endocrine glands and their functions. Identify the characteristics and secretions of these important glands.
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