מערכת ההובלה - מבנה ופעילות הלב (לבגרות בביולוגיה)

Join our Discord community, where you can ask questions and hold additional meetings: Biology for Maturity with Omar   / discord   The heart is part of the circulatory system, and is one of the most important organs in the body - because it is responsible for pumping blood into the blood vessels and transporting it to all parts of the body. In this video, we will talk about the structure of the heart, its activity, and the features and adaptations it has that allow it to perform its important function - valves, the pacemaker, and the heartbeat cycle. It is worth watching the video about blood circulation first:    • מערכת ההובלה - מחזור הדם הקטן והגדול (לבגר...