Answer:
Well, you need to stay the weight that is the healthiest and you need to make sure you have no illnesses that can kill you, and you need to eat the right way b/c it can help your eyes hair and ect.
I believe the answer is A
Organs or organ systems are directly below the hierarchical organization of life. For an organism to act or function properly organ systems are needed to exist. The following are examples of organ systems that are needed by an organism:
1. Nervous System
2. Digestive System
3. Reproductive System
4. Respiratory System
5. Muscular System
6. Skeletal System
7. Endocrine System
8. Immune System
9. Excretory System
10. Circulatory System
11. Integumentary System
Social Security. Almost all Americans (89 percent) age 65 and older receive Social Security payments. ...
Employment. Some Americans (20 percent) continue to work after age 65. ...
Pensions and annuities. Just over a third (35 percent) of current retirees have pension or annuity income. ...
Assets.
