The frog models are the same size as the real thing, but they don’t come cheap. A single synthetic frog costs a whopping $150. That might seem prohibitively expensive, especially for a school ...

You can “peel back layers” and view individual body systems inside the frog—for example, the skeletal system, the muscular system, or the digestive system. (3) “Dissection,” with which you can conduct ...

You can “peel back layers” and view individual body systems inside the frog—for example, the skeletal system, the muscular system, or the digestive system. (3) “Dissection,” with which you can conduct ...