cardiovascular system
作者：พลอยปภัส จรัสธนะพัฒน์
1. Heart
1.1. Atrium
1.1.1. Right Atrium
1.1.2. Left Atrium
1.2. Ventricle
1.2.1. Right Ventricle
1.2.2. left ventricle
1.3. Valve
1.4. Muscle
1.5. Coronary atery
2. Vessel
2.1. Atery
2.1.1. Hypertension