human pregnancy junior high school biology teaching physiological hygiene classroom demonstration pregnancy process teaching model 人体妊娠 初高中生物教学 生理卫生课堂演示 妊娠过程教学模型

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【Pregnancy Model】Accurately shows embryo development up to full term; 3D, detachable, and an excellent tool for classroom demonstrations.

Essential for biology/physiological hygiene teaching, provides an intuitive approach to overcoming challenges from conception to childbirth.

Food-grade PVC material HUANBAO; safe and durable, can be disassembled and reassembled multiple times.

Certified under ISO9001, recommended by prestigious schools.

Addressing abstract and difficult issues, stimulate students' curiosity, and bring life miracles within reach.