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showing that air resistance — not mass — accounts for differences in fall time under gravity
Removable full-term fetus sits within a numbered female pelvis
5-inch inner-diameter end tubes
Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels
5-inch display
Heavy-Duty Cast Iron Skeleton Stand Subcategory_Magnetism showing that air resistance —Caster mounted heavy duty skeleton stand with a cast iron base, built to support full size anatomical skeleton models in classrooms and laboratories.
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