Unsaturated fats<span> are typically liquid at room temperature. They differ from </span>saturated fats<span> in that their chemical structure contains one or more double bonds.</span>
Bones and the skeletal system they make up serve to provide the body support and protection of the vital organs
Smoking or drug addiction for an expecting mother is more dangerous because not only are the chemicals affecting her but they are affecting her baby as well if addiction continues through to the birth of the child the baby can experience withdrawal symptoms and can be underdeveloped