Body Cavities: Dorsal and Ventral
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A vertebrate body holds two major cavities: the dorsal cavity, housing brain and spinal cord, and the ventral cavity, housing thoracic and abdominopelvic organs.
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The ventral cavity's abdominopelvic portion houses digestive and reproductive organs, distinct from its thoracic portion's heart and lungs.
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The dorsal and ventral cavities are separate spaces — a thoracic infection does not reach the dorsal cavity directly.
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