1. with aging populations, families may need to care for older family members. how might this affect the structure of the family?
2. what are some of the factors that influence how older individuals are treated within a society?
3. what are the advantages and disadvantages for having an extended family structure, with grandparents living with their children and grandchildren?
4. what can we do to improve the lives of the aged in north america?

since you have not provided the options here i   am going to give you general overview about hormone.hormone are actually the part of endocrine system in our body and produced by the endocrine glands. the hormones act like a chemical messenger   within human body. once produce by the glands they   travel through the blood stream and reach at specific or target tissue and organs   which result in control of our body function. the hormones are specific in their work and work on only the targeted tissue or organ   . with the of hormone endocrine system regulate the heart rate , metabolism, our mood and   growth as well as the development and even the sleeping cycle etc. they actually are the messenger for body cell and organs .