1. Cardiovascular System: General Circulation & Heart
Comparative Anatomy
Tony Serino, Ph.D.
Biology Department
Misericordia Univ.

2. General Circulatory System
Cardiovascular
Consists of a closed system of vessels which transport blood
Two circuits: Systemic and Pulmonary
Arteries move blood away from the heart
Veins move blood toward the heart

3. General Circulatory System
Lymphvascular –moves lymph
Consist of blind end tubes which collect interstitial fluid (now called lymph) and returns it to circulation
The lymph is cleaned before returned to the blood vessels

4. Heart as a Dual Pump
Cardiac muscle arranged as whorls that squeeze the blood
Twin pumps: systemic and pulmonary
Four chambers: 2 atria and 2 ventricles

5. Cardiac Muscle Cells

6. Heart Development

7. Heart: Location

8. Layers of the Heart and Pericardium

9. Heart: Anterior View

10. Heart: Posterior View

11. Heart: Internal Anatomy

12. Differences in Ventricular Wall

13. Coronary Arteries

14. Angioplasty
Fig
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16. Coronary Veins

17. Major Cardiac Valves

18. Heart Murmurs
12.22.jpg

19. Diastole: Period of Ventricular Filling

20. Systole: Isovolumetric Contraction

21. Systole: Ventricular Ejection

22. Diastole: Isovolumetric Relaxation

23. Conduction System of Heart