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06:45 Ch 27 IV- Erection and Ejaculation Ch 27 IV- Erection and Ejaculation	Ch 27 IV- Erection and Ejaculation Ch 27 objectives 8-9. blood erection period dilation vaso urethra sperm males bulbospongiosus organs neurons ed erect sense veins vasodilation oxide reflex vasoconstriction response From Ashlee Tietje 100 plays 0
07:08 Ch 25 X - Micturition Ch 25 X - Micturition	Ch 25 X - Micturition Ch 25 objective 20. activity muscle sphincter bladder micturition pontine urine detrusor brain motor things centers storage receptors stretch reflex process sphincters nerve control From Ashlee Tietje 3 plays 0
07:54 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 54 plays 0

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