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  • According to which theory thymus and brain are the main f...
Multiple choice

According to which theory thymus and brain are the main factors in ageing?

  1. mutation theory

  2. gene theory

  3. stress theory

  4. pacemaker theory

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Aging pacemaker theory suggests that one cell or one type of tissue interferes with cell proliferation, thereby initiating the process of senescence throughout the body.

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