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Ch 23 VII - Gastric Contractions duration 7 minutes 54 seconds Ch 23 VII - Gastric Contractions Ch 23 VII - Gastric Contractions	Ch 23 VII - Gastric Contractions Ch 23 objectives 15-16. stomach cells food waves reflex contraction intestine activity receptors cajal duodenum process sphincter digestion pepsin strength rhythm intestines pylorus wave From Ashlee Tietje 68 plays 0
Ch 18 IV - ECG duration 10 minutes 56 seconds Ch 18 IV - ECG Ch 18 IV - ECG	Ch 18 IV - ECG Ch 18 objective 12. depolarization heart wave node repolarization qrs activity waves ecg tracing channels ventricles av calcium things interval atrium alright slide words From Ashlee Tietje 6 plays 0