In the video, a person is seen holding a model of a human heart. The heart is made of a white material and is held in the person's hands, which are covered with black gloves. The person is rotating the heart to show different angles. Next to the heart, there is a diagram of a human heart that has arrows pointing to different parts of the heart. The diagram is in color, with red, blue, and purple arrows. The person is using the diagram as a reference while holding the heart.