What are some safety procedures for swimming? give me reasons why and include a video(s).

Aperson who doesn't have enough calcium in his or her diet is at risk for developing bones that are weak and break easily. this condition is known as  a.  osteoporosis.    b.  crohn's disease.    c.  celiac disease.    d.  hemophilia.

Which term defines one's age as measured by how well the body is working? chronological age biological age social age mental age

Which foods are categorized as foods you should "eat less of" on the food label?