B - When was the information written.
Health and fitness information changes drastically as new studies are done and more information is learned, so if the information is 'old' it may not still be relevant.
Can't say much about love but I guess it does exist we just have to have patience.
Answer:
Endocrine glands make chemicals called hormones and pass them straight into the bloodstream. Hormones can be thought of as chemical messages. From the blood stream, the hormones communicate with the body by heading towards their target cell to bring about a particular change or effect to that cell.
Answer:
Body composition is a method of breaking down the body into its core components: fat, protein, minerals, and body water.
Explanation: