1:用一枝铜钩插入死青蛙的脊髓中,再挂在铁栏杆上,当青蛙腿碰到铁栏杆时,就发生抽搐。
2:将青蛙放到铜制的解剖盘里,当解剖刀接触蛙腿时,蛙腿发生抽搐。
青蛙解剖视频:https://www.so.com/link?m=bcomtVXLylu7lnG%2Fe0aM6DuK4xwxhIko8baY%2Bjk4UTxDgmDL0FiNO9YMmXcjvfHjdqEKJ2Efz06nGFP%2FpETtHDo7tN314pmaBU%2BmhZXZNfdiSG1%2FzRnd8OjLAT2blZv92kMfy5%2FJE9tlhpk7jyoXyWtiCsF9sxUGqUfy59AqsvWO4F5fDXDwziBJ%2B4cjOnJb4IlZc%2Fm3QzUdk7oux