Normally, oxygen from the blood cells supply your muscles with the energy it needs to carry out certain actions. However, when there isn't enough oxygen to support the muscles, it produces lactic acid, or fermentation, to make up for the oxygen. (That's why you get that burn-y feeling whenever you exercise!)
Answer:
B, thermal.
Explanation:
Nuclear power waste a lot of energy through heat.
How many places are there for electrons in the second shell of an atom? The answer is C) 8 electrons
Answer:
action potentials
Explanation:
other possible answers:
electrical impulses
muscular contractions
action potentials is likely your best bet though
