This set was created to help students understand just what an amazing machine their bodies truly are. Explains how, even when asleep, the heart continues to pump, the lungs breathe and muscles stretch. Shows students what some parts of the body look like under the microscope. 1. Small Intestine (50X) 2. Bronchial Tree 3. Heart - cs (6X) 4. Bone - cs (150X) and Muscle - cs (900X) 5. Nerve - cs (400X) 6. Pancreas Gland - cs (190X) 7. Skin - cs (80X) 8. White Blood Cell - em (25,000X)