alleryWhat are the secretions of ductless glands called?
AHormones
BEnzymes
CAntibodies
DMucins
Answer & Solution
Correct answer: A. Hormones
Endocrine glands lack ducts and release their secretions, hormones, into the blood.
Keep practising Neural Control and Chemical Coordination
Browse all Neural Control and Chemical Coordination questions for AP Intermediate 1st Year, or explore more Biology topics.
Related questions
Besides bone, PTH increases Ca2+ reabsorption at which site?How does parathyroid hormone act on bones?Which protein hormone of the thyroid gland regulates blood calcium?Which features characterise exophthalmic goitre?Exophthalmic goitre is also called which disease?Enlargement of the thyroid due to dietary iodine deficiency is called what?Thyroxine is chemically known as which compound?Melatonin plays a key role in regulating which body rhythm?