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Basic Circulatory System Vocabulary

Name: ________________________

Due Date: Friday, May 17, 2019
Across
The outer layer of the heart wall.
The lack of adequate blood supply to the heart is....
The heart receives blood through this.
Blood flows to and from the lungs in the
These structures prevent the back flow of blood.
Medical term for a heart attack. Results from a prolonged angina.
Network of tubes that carry nutrients and gases throughout your body.
This is a very slow heart rate....
Condition that results from the heart being deprived of O2 .
This is the contraction of the ventricles.
What part of an electrocardiograph shows the ventricles contracting?
The endothelium that lines the chambers of the heart.
Down
What term do we use for the graphic record of heart activity?
This is the uncoordinated shuddering of heart muscle that results in a useless pump.
The wall between the atrium and ventricles.
Pump that moves blood throughout your body.
The events of a single heartbeat are the...
What part of an electrocardiograph shows the ventricles relaxing?
Transport "vehicle" for minerals, nutrients, and gases throughout the body.
The heart pumps blood out through this.
Double-walled sac that surrounds the heart.
This is a rapid heart rate....
What structure anchors valve flaps in their closed position?
Which node generates impulses in order to start a heartbeat?
The cardiac muscle of the heart wall.
What part of an electrocardiograph shows the atria contracting?
This is the relaxation of the ventricles.