Answer:
thyroid gland
Explanation:
Thyroid gland
measures approximately two inches and has a shape similar to a butterfly. It secretes hormones that affect virtually every tissue in your body. Thyroid hormones regulate your metabolism, heart, and digestive function.
The gland controls your body's metabolism.
The thyroid gland plays an important role in the metabolism, growth and development of the human body.
it will be twice as large
i think a im not sure
c2h4 (etthane........
bexcuse it has 6 bond of hydrogen
.