Examlex
A(n) ____________________ is a collection of organs that perform related functions and interact to accomplish a common activity that is essential for survival of the whole body.
Hydrophobic Molecules
Molecules that repel water, typically nonpolar substances that do not mix with water.
Water
A transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.
Second Energy Level
The energy level beyond the first in an atom where electrons can reside, typically holding up to eight electrons.
Electrons
Subatomic particles with a negative charge, orbiting the nucleus of an atom and involved in chemical bonds and electrical current.
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