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Comprehensive Model: This human respiratory system model accurately reproduces the complete respiratory system of a human
100ml Separatory funnel
1000V CAT III
User-Friendly Control: The start/pause feature enables easy control of the stopwatch function
Molecular Formula: C6H8O7
Attention Tracker Comprehensive Model: This human respiratoryIncluded: Attention Tracker (Batteries not included). Ideal for Children, Allows Them to Self Monitor Behavior This simple device is easily operated by the teacher though remote control and allows children to self monitor their behavior. Create timed tasks and manage children in a non intrusive manner with the Attention Tracker. It can be used with all children who may have attention issues. Teachers or children can set the task time, 5, 10 or 20
