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.
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all of them except the organelles as they don't have organelles
only some are multicellular too so E looks a bit suspect
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Answer:
D. They form an ionic compound.
Explanation:
The bonds which are produced between a metal ion and a non-metal ion are termed as ionic bonds.
Answer:
The cell wall is like the integumentary system of the human body because they both protect the interior from the external environment.
Explanation: