<span>Sodium channels close when not occupied
</span><span>Sodium ions diffuse through and enter the cell.
</span>
Then they leave the cell.
The sodium diverts in the cell layer have receptor locales for acetylcholine.
The key principle of muscular strength is the concept of "working against resistance. Muscular strength can be defined as the ability to exert force against resistance.
Muscular strength is the maximal force that one skeletal muscle can exert during its contraction.
Muscular strength also refers to the increased ability to move weight and the outcome of that is muscular development.
Resistance training is a type of physical exercise based on muscular contractions aimed at building strength, endurance and size of the skeletal muscles.
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Answer:
I would reccomend the southeast region against placing spotters.
Explanation:
Answer:
The heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps blood through the network of arteries and veins called the cardiovascular system.
