In this article we will discuss about the six main factors that maintain circulation in human heart. Factor # 1. Pumping Action of the Heart: This is the main motive force of circulation. Factor # 2. Elastic Recoil of the Arteries: Ventricles contract during systole and relax during diastole. So during systole certain amount of blood is being led directly [...]
In this article we will discuss about the structure of junctional tissues of human heart with the help of suitable diagram. Cardiac muscle consists essentially of certain specialised structures which are responsible for initiation and transmission of cardiac impulses at a higher rate than the rest of the muscle. Those specialised cardiac tissues operate such mechanism are collectively known as [...]
The following points highlight the seventeen important factors which influences coronary circulation in human beings. The factors are: 1. Mean Aortic Pressure 2. Cardiac Output 3. Metabolic Factors 4. CO2 and O2 5. Ions 6. Polypeptiedes 7. Adenine Nucleotides 8. Cardiac Sympathetic and Parasympathetic Nerves 9. Heart Rate 10. Hormones 11. Temperature 12. Muscular Exercise and Excitement 13. Anaemia and [...]