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(2) Nitrogen - 3 holes
interference patterns
5V battery (UM-4
This instrument is designed for investigating momentum
Measures 41
Anatomy Model of Digestive System (2) Nitrogen - 3 holesSize: 860mm x 400mm x 50mm. Biology medical human digestive system model circulatory system embossed model. Includes: Digestive Tract: oral cavity, throat, esophagus, stomach, duodenum, small intestine and large intestine (cecum, colon and rectum). Digestive Gland: Large digestive gland includes: Salivary gland (parotid gland), liver, gallbladder, pancreas, etc., while small digestive glands are distributed in various parts of digestive tract, such as
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