how increased physical activity can help to prevent weight gain. A complete answer will include ATP, energy, cellular respiration, CO2 and H2O.

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

What might explain the real-world results, show in the graph to the right, for one class of twenty students? check all that apply.