Answer:
A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.
Answer:
Cell membrane
Explanation:
A cell membrane is basically a protection of the cells. It controll what goes in and out of the cell and separates the interior of the cell from the outside environment. they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, etc that mediate cellular activities to pass between organelles.
<span>There is more lung volume in a taller person compared to a short person.</span>
The limbs of the organisms are similar because they are formed in similar ways during embryonic development and share similar arrangements.
