Single D Cell Battery Holder Female Urinary System Model The other removable parts are

The other removable parts are composed of cochlea and labyrinth with vestibular and cochlear nerves

The amounts of pieces are enough to build a helix

8 speeds selection for aspiration and dispensing

Alignment is maintained by the wire collar

Single D Cell Battery Holder Female Urinary System Model The other removable parts areIncluded: 5 x Heavy Duty Single D Cell Battery Holder Cell Holder. High quality easy to load and easy to remove cell holder for holding standard D size batteries. Improved accuracy and robustness. It may also be used for the parallel or series combinations of two cells. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.