Lifespan and Aging Quiz

The global average life expectancy is approximately 80 years.

Eye color is not a significant factor influencing lifespan.

Personality traits are not typically considered lifestyle factors influencing lifespan.

Protective caps at the end of chromosomes, called telomeres, shorten with each cell division.

Cellular senescence refers to the natural aging process of cells.

Growth hormone is commonly known as the 'youth hormone' for its role in growth and rejuvenation.

Cellular aging often involves a reduction in telomere length.

The process by which cells lose their ability to divide is known as senescence.

Programmed aging theory suggests that aging is a genetically predetermined process.

The brain is known for regulating circadian rhythms and influencing the aging process.

Telomerase theory is not considered a mainstream theory of aging.

The free radical theory proposes that aging results from the body's inability to repair accumulated cellular damage.