Zusammenfassung der Ressource
THE HEART
- Coronary Artery
- The coronary artery supplies the heart with oxygen & nutrients
- CHD
- when fatty deposits in the artery make the lumen smaller
- The heart beat
- when the heart muscle contracts it is in SYSTOLE
- When the heart muscle relaxes it is in DIASTOLE
- General
- The heart is made of Myogenic muscle
- This means it contracts by itself
- the hearts pacemaker initiates contractions due to electrical impulses