Why Are These Things So Easily Accessible?

In grade eight, i was the d that took apart the t b r, the radio just to see how it worked. In grade nine, you get to dissect a fish. And do you remember doing that? My class was supposed to do like a cow's eye, and i lied untid. It was against my religion, and i wouldn't do itiwet and sat in the hallwayii don't think i could do that. So anyhow, through the years we're doing this, and i hit first year biology, an pose secondary. And one of the labs is to dissect a fatal pig. Why are these things so readily available to not only our school, but also