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Question: As we discussed in Week 1, maintenance of homeostasis is critical to the proper functioning of ou...

As we discussed in Week 1, maintenance of homeostasis is critical to the proper functioning of our bodies; the endocrine system plays a large role in this process. Let's kick off our discussion by considering some of the feedback loops in the endocrine system. Can you give an example?

Pick an organ or a function of the endocrine system, and identify the parts of a feedback loop for that particular organ or function—stimulus, receptor, control center, effector, and response.

The endocrine system is complicated, but we're going to break it down this week! Let's start by describing each endocrine organ and how it is controlled by a feedback loop.

Choose an endocrine organ. What hormones does your organ produce? What tissues do those hormones affect?

Answer 1

1)pituitary gland is an endocrine glands that is located at the base of the brain and release GH, oxytocin. the function of these hormone is to stimulate uterus contraction during pregnancy also acts as a growth regulator.

2) thyroidgland located at front of the neck and below the larynx. hormone that is released is thyroxin, which regulate metabolism rate and growth in the body.

3) adrenal gland is a gland that is situated on each kidney and adrenalin hormone is released. it is a fight and flight hormone, releases at emergency also maintains blood pressure.

4) pancreas is located below the stomach. insulin and glucagon are the hormone released that controls metabolism of carbohydrate.

5) ovaries is a gland located at abdomen and release hormone like oestrogen, progesterone and relaxin. it function is to develope female sex organ and their secondary sexual characters. it is an important hormone release during pregnancy.

6) testes release testosterone. it develops male sex organs and their secondary sexual characters.

feed back loop:

hypothylamus signals pituitary gland, pituitary gland signals particular gland to relase a particular hormone. after rise in that hormone send negative signal to the hypothalamus to stop releasing that hormone. both positive and negative regulation is involved.