Learners view the special adaptations aquatic vertebrate have for exchanging oxygen and carbon dioxide. Organ systems are graphically illustrated in 3-D, plus the two inset diagrams show gas exchange in the gills and the complete skeletal system. Includes 24"W x 18"H model, activity notebook with glossary, key, blackline master, and a color transparency. Made in America.

• Colorful 3-D Illustration
• 24" W x 18" H Plastic Model
• Activity notebook with glossary, key, blackline master, and a color transparency
• For grades 5 to 12
• Ages 10 to 18 years
• Dimensions: 25 x 18.5 x 3 inches
• Shipping Weight: 2.6 pounds
• Made in USA