The Innate Ability of Human Cells to Self-Destruct, the Clocklike

question 18

Multiple Choice

The innate ability of human cells to self-destruct, the clocklike changes in some hormones, and the decline of effectiveness of the human immune system are all factors that lend support to ________ theories of aging.

• A) wear-and-tear
• B) programmed
• C) error
• D) diathesis

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Definitions:

Infant Mortality Rate

The number of deaths of infants under one year old per 1,000 live births in a given year.

Canada

A country located in the northern part of North America, known for its vast landscapes, multicultural diversity, and being the second largest country in the world by total area.

Family Planning

The practice of controlling the number and spacing of offspring through the use of contraception or the knowledge of the reproductive cycle.