All muscle cells share four main properties that distinguish them from other cells. These are Excitability, Contractility, Extensibility and Elasticity.
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I believe the answer would be d.muscle cramps. Breathing in toxins seems like it could relate to the other three answers.
The answer is calories really sorry if it is wrong
Answer: It was completely exhausted. These training programs aren't meant for anyone with a low fitness level, it kicked my butt and i kinda struggled through the last bits of it.
Explanation:
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