Circulatory System: Heartbeat/Blood Pressure (2)
Created by keegan15
Blood flow through the heart steps?
Vena Cava - Right Atrium - Right Ventricle - Pulmonary System - Left Atrium - Left Ventricle - Aorta
| Term | Definition |
|---|---|
Blood flow through the heart steps? | Vena Cava - Right Atrium - Right Ventricle - Pulmonary System - Left Atrium - Left Ventricle - Aorta |
Typical heartbeat (resting)? | 70 BPM |
Which of the two nodes produces the heartbeat through an electrical signal? | SA (sinoatrial) Node |
Which node receives stimulus from the SA Node to cause contraction of the walls/ventricles? | AV (atrioventricular) Node |
Without coordination of the electrical signal, what would happen to the heart cells? | They would beat randomly. |
Normal blood pressure range? | 120/80 |
Top number in blood pressure meaning? | Systolic Pressure, max pressure ventricular contraction |
Bottom number in blood pressure meaning? | Diastolic Pressure, lowest pressure before next contraction. |