Charles Darwin developed the idea of natural selection after a five-year voyage to study plants, animals, and fossils in South America and on islands in the Pacific. In 1859, he brought the idea of natural selection to the attention of the world in his best-selling book, On the Origin of Species.
B testis, this is were the sperm is produced
Law of Superposition
a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
This translates to symptoms such as weight gain and fatigue.
<h3>Symptoms of hypothyroidism</h3>
Hypothyroidism is defined as the endocrine disorder in which the thyroid hormone is deficient or under secretion of the hormone.
The thyroid hormone is used for the following purposes in the body:
- Regulates the rate at which your body uses calories (energy).
- It affects weight loss or weight gain and which is called the metabolic rate.
When the thyroid hormone is deficient, the following is bound to occur:
Therefore a decrease in the metabolic rate of the body will lead to fatigue and gaining of weight.
Learn more about hypothyroidism here:
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Organic sciences like genomics and molecules
