it is reviewed to 4°C, ensuring the freshness of the body so that students can perform simulated surgical training on a real human."At this time, the two teachers had just finished reviewing. Ou Yan... clots saved his life.Upon hearing this, Song Junlin was both shocked and puzzled. He asked, "Where did you get these blood clots""My grandfather's heart had a hole about 0.8 square centimeters in siz...