Dual-Sex Torso Model, 20 Parts, 1/4 Lide Size The opening angle of the

The opening angle of the lid is designed to be less than 60 ° to keep it closed when not in use so as to isolate wastes from fire source and limit the amount of oxygen

and a Teacher’s Guide

High Purity: This potassium bicarbonate is extra pure with a purity of 99

Absorption Maxima: With absorption maxima in methanol at 640 - 645 nm and 522 - 525 nm

Please check description for more info

Dual-Sex Torso Model, 20 Parts, 1/4 Lide Size The opening angle of the1 4 Life Size Dual Sex Human Torso Model 20 Part offers all possibilities you need for detailed demonstrations in human anatomy. This human anatomy model contains removable parts and organs including: 2 part head Female chest wall 2 lungs 2 part heart Stomach Liver with gall bladder 2 part intestinal tract Front half of kidney 4 part male genital insert 3 part female genital insert with fetus. Mounted on a base. Premium Quality: 100% Anatomically