|
|
HUMAN CIRCULATORY SYSTEM, FUNCTIONAL
(2922) |
Demonstrate students the circulatory system in action with this working model. Simply squeeze the simple bulb "pump" to send the dyed liquid through the four-chambered heart and plastic "vessels". The venous tubing is tinted blue to differentiate between oxygenated and non-oxygenated blood. Dye and syringe are included to refill the system. The one piece model is mounted on a base with numbered Key Card. |
|
|
|