What fundamental change is expected in the musculature and skeletal structures of a fetus growing in 0.38g?
Answer
Development uniquely adapted to lower load
Because Mars possesses only 38 percent of Earth’s gravity, a fetus growing in 0.38g is expected to develop its musculature and skeletal structures uniquely adapted to bearing that lower gravitational load. This adaptation means the resulting bones and muscles will be fundamentally different from those of an Earth-born child accustomed to full 1g weight. This structural divergence is central to the discussions surrounding future interplanetary travel and the potential long-term physical divergence of Martian inhabitants.

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