Answer:
C.
Explanation:
You have to just know this. Their is really no other explanation.
- Hope that helps! Please let me know if you need further explanation.
<span>from longest wavelength to shortest: radio waves, microwaves, </span>infrared<span>, </span>optical<span>, </span>ultraviolet<span>, X-rays, and gamma-rays</span>
The endocrine system<span> is the collection of </span>glands<span> of an organism that </span>secrete hormones<span>directly into the </span>circulatory system<span>to be carried towards distant target organs. In </span>humans<span>, the major </span>endocrine glands<span> include the </span>pineal gland<span>, </span>pituitary gland<span>, </span>pancreas<span>, </span>ovaries<span>, </span>testes<span>, </span>thyroid gland<span>, </span>parathyroid gland<span>, and </span>adrenal glands<span>. In </span>vertebrates<span>, the </span>hypothalamus<span> is the neural control center for all endocrine systems. The field of study dealing with the endocrine system and its disorders is </span>endocrinology<span>, a branch of </span>internal medicine.<span>
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