Single student or group, Learn about the effects of mercury poisoning on the brain, Model the flow of toxins and energy through an ecosystem's food chains and food webs, Develop the concept of biological magnification for environmental toxins.
DR MED* Laparoscopic 19in Needle Holder, 19in needle holder for students working with sutures, Needle holder locks and unlocks into place to hold the suturing needle. Comprised of stainless steel