Mammalian heart for A Level Biology

1. The Mammalian Heart External and Internal Structure Mass = 300 g Muscle = Cardiac muscle ALBIO9700/2006JK

2. Cardiac muscle ALBIO9700/2006JK

3. A mammalian heart seen from the front (External) ALBIO9700/2006JK

4. Coronary arteries ALBIO9700/2006JK

5. Vertical section through a mammalian heart (Internal) ALBIO9700/2006JK

7. Atrio-ventricular valves ALBIO9700/2006JK

8. Difference in thickness of the walls of different chambers and their functions? ALBIO9700/2006JK

9. Mammalian circulatory system Closed double circulation ALBIO9700/2006JK

10. Cardiac cycle ALBIO9700/2006JK * Sequence of events which makes up one heart beat

12. Fibrillation ALBIO9700/2006JK

13. Heart action control ALBIO9700/2006JK Purkyne tissue

15. ALBIO9700/2006JK

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