C. Organ System
Like said in the definition above, an organ system is a group of organs working together to perform a specific function for the organism.
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I believe it goes in the following order top down
1 5 3 4 2.
Explanation:
Thyroid disease occurs when the thyroid (a small, butterfly-shaped gland in the front of your neck) does not produce the right amount of thyroid hormone. These hormones control how your body uses energy.
D. Eukaryotic cells It happens in both plant and animal cells
