The heart 0.0 / 5 ? BiologyHuman, animal and plant physiologyASAQA Created by: Rebecca WoodhouseCreated on: 08-05-14 15:40 Equation for ventilation rate Breathing rate* tidal volume 1 of 6 When the body exercises the ventilation rate and depth increases so that ... 1)Oxygen can diffuse from the air to the blood faster, 2) Carbon dioxide can diffuse from the blood to the air faster 2 of 6 Cardiac muscle is... myogenic, which means that it can contract on its own, without needing nerve impulses. 3 of 6 Contractions are initiated within the heart by ... sino-atrial node (SAN, or pacemaker) in the right atrium. 4 of 6 The three cardio cycle stages: 1. Atrial Systole 2. Ventricular Systole 3. Diastole 5 of 6 PCG records ... the so 6 of 6
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