11th Biology Chapter 19
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– Special chemicals act as hormones regulating metabolism, growth, and development of organs in the human body. The endocrine system includes various glands like hypothalamus, pituitary, pineal, thyroid, adrenal, pancreas, parathyroid, thymus, and gonads, among others【4:1†source】.
– Hormones interact with membrane-bound receptors to generate second messengers or interact with intracellular receptors to regulate gene expression and chromosome function, leading to physiological and developmental effects【4:1†source】.
– The human endocrine system consists of organs like the hypothalamus, pituitary, pineal, thyroid, adrenal, pancreas, parathyroid, thymus, gonads, gastrointestinal tract, kidney, heart, and some other organs producing hormones for various functions in the body【4:2†source】.
Define an exocrine gland.
List the hormones secreted by the thymus gland and mention their functions.
Write short notes on the functions of insulin and glucagon.
Give an example of a progestational hormone and mention its role.
Which hormonal deficiency is responsible for diabetes mellitus?
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