It should be noted that Physical abilities such as muscular strength, reaction time, sensory keenness, and cardiac output reach their peak during early adulthood.
What is adulthood?
adulthood can be regarded as the period in the human lifespan which brings about physical and intellectual maturity.
This period is usually beginning at age 20 or 21 years and with full Physical abilities such as muscular strength.
Learn more about adulthood at;
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