Part of the reason the human body is so complicated is that all the parts are interrelated. When studying the different systems of the body, remember that organs in one system often perform functions in another. Keep this in mind while reading about the ten major organ systems in the body. Skeletal System. The skeletal system is composed primarily of the 206 bones of an adult human body, but also the cartilage, tendons, and ligaments which connect the bones together.
Guinness World Records says the oldest living person verified by original proof of birth is Misao Okawa, a 115-year-old Japanese woman. The oldest verified age was 122 years and 164 days: Jeanne Calment of France, who died in 1997.
Image Source. Jeanne Calment is the oldest verified woman who has ever lived, and so far no one has come close to challenging her staggering 122 year and 164 day life span. She was born in Arles, France, on February 21, 1875 â the same year Lucy Hannah was born â and died on August 4, 1997.