Final answer:
Three factors that relate body composition to a healthy weight are age, gender, and height.
Step-by-step explanation:
Three factors that relate body composition to a healthy weight are age, gender, and height. Age can affect body composition due to changes in metabolism and muscle mass. Gender can also influence body composition, as men and women tend to have different amounts of muscle and fat. Height plays a role as well, as taller individuals tend to have a higher weight due to increased bone and muscle mass.
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