
Explore an adult male reference body in 3D. Reveal 14 anatomical systems, search thousands of named structures, isolate organs, and pull 2,209 modeled pieces apart to see how the body is organized.
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Identify nutrients in three unknown samples using iodine, Benedict’s, Biuret and the lipid emulsion test. Compare every result with positive and negative controls.
No. Complete the heated test first. A positive result forms an orange-red precipitate; iodine turns blue-black for starch, Biuret violet for protein, and lipids form a cloudy white emulsion.
Idealised qualitative tests using separate aliquots. Benedict’s requires a hot water bath; the lipid test models ethanol followed by water. Colour intensity does not measure concentration here. Virtual practical only; follow school procedures for real experiments.
ដាក់វាចូលទៅក្នុង LMS ប្លក់ ឬគេហទំព័រថ្នាក់រៀនរបស់អ្នក — ឥតគិតថ្លៃ។
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Explore an adult male reference body in 3D. Reveal 14 anatomical systems, search thousands of named structures, isolate organs, and pull 2,209 modeled pieces apart to see how the body is organized.

Explore the head and neck in 3D: 643 source meshes across 14 layers, 47 facial and masticatory muscles, and 77 drawn nerves, vessels and glands the source scan omits. Open any tooth onto its own pulp canal, and follow the seven stages of tooth development.
Free interactive photosynthesis simulation. Explore photosynthesis hands-on online — great for whole-class or independent practice.
Free interactive states of matter simulation. Explore states of matter hands-on online — great for whole-class or independent practice.
Free interactive shadows simulation. Explore shadows hands-on online — great for whole-class or independent practice.
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