Search for tag: "blocked"

Bradycardia.mp4 duration 12 seconds Bradycardia.mp4 Bradycardia.mp4	Bradycardia.mp4 sympathetic heart levels outflow cardiovascular physiology cardiac decreased blocked contractility caption complete From Dave Frank 12 plays
pfiz_epi_01_03_02_01_hotspot2_720x406.flv duration 11 seconds pfiz_epi_01_03_02_01_hotspot2_720x406.flv pfiz_epi_01_03_02_01_hotspot2_720x406.flv	pfiz_epi_01_03_02_01_hotspot2_720x406.flv sympathetic heart levels outflow cardiovascular physiology cardiac decreased blocked contractility caption complete From Dave Frank 5 plays