Explain the senescence phase.

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(N/A) Senescence phase: After the reproductive phase,hormonal changes gradually slow down the production of male and female gametes.
$\rightarrow$ This phase is known as the senescence phase or old age.
$\rightarrow$ It brings about concomitant changes in the body of the organism,such as the slowing down of metabolism.
$\rightarrow$ This is the final phase of the life span.
$\rightarrow$ Old age ultimately leads to death.

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