Examlex
Most children understand that death is ____.
Living Units
Spaces or environments designed for habitation or residence of living organisms, including humans, animals, or plants.
Cell Membrane
The cell membrane is a biological membrane that separates the interior of all cells from the outside environment, controlling the movement of substances in and out of cells.
Carrier Molecules
Specific proteins that facilitate the transport of substances across cell membranes.
Gland
An organ in the body that secretes particular chemical substances for use in the body or for discharge into the surroundings.
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