Cardiovascular System Crossword

What is the heart muscle called?
how is the heart connected to allow chemical and electrical coupling
The right side of the heart has ___pressure
What is the most important function of the atria
movement of the heart valves are essential _____
what type of rhythmicity does the heart have
where does the electrical impulse in the heart originate?
what does the refractory period in cardiac muscel prevent
what is the relaxation phase where the heart fills with blood
What is the work phase where the heart pumps blood
what is the name of the load which muscle exerts a contractile force
what is cardiac output most reliant on?
what will the command center maintain over anything?
exercise favors ____ dominance
Ventricles have what type of extrinsic regulation
External pressure on the carotid will ___ HR
where is 65% of blood volume at rest?
What organ has its own blood supply
during prolonged exercise 70% heart's energy comes from__
An increase in myocardial contractibility and HR will ____demand of O2