The video is about dissecting a pig's heart and how will it work.
In the pig’s heart, I can see the veins in it body. The muscles are very dark and had a brownish color. The tubes are used for different uses. The elastic is very strong. The elastic is even stronger
In the pig’s heart, I can see the veins in it body. The muscles are very dark and had a brownish color. The tubes are used for different uses. The elastic is very strong. The elastic is even stronger