Answer:
the outer planet have thin atmosphere
<span>they do not have specific functions. hope this helped
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The thyroid is a butterfly-shaped gland that lies in front of the windpipe (trachea), just below the voice box. The parathyroid glands are four tiny glands located behind the thyroid gland. The parathyroid glands produce a substance (parathyroid hormone) that helps control the amount of calcium in the blood.
It makes it own food that why its called an AUTOtroph
