The protons are positively charged, the electrons are negatively charged, and the neutrons are neutral.Opposite charges attract each other (negative to positive). Like charges repel each other (positive to positive or negative to negative).
Eating Vitamin D enriched foods, Infancy , pregnancy increases calcium absorption.
Oxalic acid in spinach, Having a high fiber diet rich in phytic acid, being over 70 years old can decrease calcium absorption.
Why is Calcium absorption important?
It's crucial to have enough calcium in the blood that carries nutrients to the bones in order to avoid the loss of bone mass. Although milk and other dairy products are a great source of calcium, as we become older, our bodies require more calcium. Because many people stop consuming calcium-rich foods or beverages, like whole milk, due to dietary concerns, a calcium-rich dietary supplement is crucial. A daily calcium requirement of 1,200 mg is necessary for older persons.
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B) One swims freely and the other often lives attached to a hard surface.
