Describe the negative feedback loop of the hormones listed above. include where they are made, their target tissue and function.

The negative feedback loops:

"When the product or results of any reaction leads to the decrease in that process, such a loop formed is called as the negative feedback loop."

Hormones:

"Hormones are chemical particles or messengers which are mostly secreted by glands(pituitary glands ,adrenaline glands etc), and are poured directly inside the blood."

Explanation:

The Balance in Thyroid hormone level:

The human blood has a number of elements which must be kept in a balance or equilibrium, as increase of the thyroid hormones inside the blood resulting in a negative feedback loop.As we have the explanation below;

The Hypothalamus and the adrenal gland:

In case the level the thyroid hormone is in increased level then the TSH secretion is inhibited and the hypothalamus stops to secret the TRH. As this process or cycle created is called as  the negative feedback loop.

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when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.