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The Heart Has Three Layers or Linings

question 86

Essay

The heart has three layers or linings.Name and describe each layer.


Definitions:

Glycogen

A complex carbohydrate stored in the liver and muscles of animals, serving as a primary form of energy storage.

Insulin

A hormone produced by the pancreas that regulates blood sugar levels by facilitating the uptake of glucose into tissues.

Goiter

An abnormal enlargement of the thyroid gland, which can lead to a noticeable bulge in the neck, often caused by iodine deficiency.

Thyroid

A gland in the neck that produces hormones regulating growth and metabolism.

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