Answer: B
Explanation:
After a muscle fiber is stimulated by a nerve signal, a release of stored calcium ions leads to muscle contraction.
Common electrolytes include sodium, chloride, magnesium, calcium and potassium.
Sodium and potassium help in the generation of nerve impulses while calcium aids muscle contraction. Sodium is also actively involved in the movement across cell membranes.
Hello! The U.S. has one of the highest obesity rates in the world. Americans don't consume enough leafy greens, Vitamin C, and sweet potatoes. Those foods are healthy, but overly processed goods and sweets are consumed a lot, which explains why America's obesity rate is so high. In fact, 1 in 3 adults are obese and 1 in 6 children are obese. Lack of exercise also contributes to obesity as the sweets are turned into fat and it's stored there.The answer is A.
Explanation:
There are many forms of dance, from ballroom to barn dancing and disco to Morris dancing. Dance has always been a part of human culture, rituals and celebrations. Today, most dancing is about recreation and self-expression, although it can also be done as a competitive activity. Dancing is an enjoyable way to be more physically active and stay fit.
