MICROANATOMY

ENDOCRINE ORGANS AND RESPIRATORY SYSTEM

ENDOCRINE ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Insulin is secreted by which gland and what is its function?
A
ovaries; stimulates the development of female secondary sex characteristics and regulates the female reproductive system
B
pancreas; regulates the absorption of glucose into blood cells, decreasing blood glucose levels
C
testes; stimulates the development of male secondary sex characteristics and promotes sperm production
D
pituitary gland (anterior); stimulates milk production and breast development in females
Explanation: 

Detailed explanation-1: -Insulin is a peptide hormone secreted by the cells of the pancreatic islets of Langerhans and maintains normal blood glucose levels by facilitating cellular glucose uptake, regulating carbohydrate, lipid and protein metabolism and promoting cell division and growth through its mitogenic effects.

Detailed explanation-2: -This hormone helps sugar to be absorbed from the bloodstream into the cells of the body. Insulin also allows the liver and the muscles to store sugar, as well as keeping the liver from producing more sugar. This lowers your blood sugar levels.

Detailed explanation-3: -For instance, the pancreas secretes insulin, which allows the body to regulate levels of sugar in the blood.

Detailed explanation-4: -The main function of the pancreas is to maintain healthy blood sugar levels. It is a large gland located behind the stomach. It produces insulin, glucagon, and other hormones. Diabetes occurs when the pancreas does not produce enough insulin or when the body does not use insulin properly (called insulin resistance).

Detailed explanation-5: -The islets of Langerhans are made up of different type of cells that make hormones, the commonest ones are the beta cells, which produce insulin. Insulin is then released from the pancreas into the bloodstream so that it can reach different parts of the body.

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