0
Why is it an advantage for the ventricles to contract from the bottom?
Wiki User
∙ 15y ago
The pulmonary artery and the aorta lead upward and away from the ventricles. Since the ventricles contract from the bottom, blood is more efficiently pushed out of the heart.
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
Do the ventricles contract at the apex or at the base of the heart?
Not really sure what you mean by the base, the ventricles contract from the Apex (which is at the bottom) upwards.
What makes ventricles contract?
Purkinje Fibers actually makes the ventricles contract.
What happen after depolarization of the ventricles?
The ventricles contract.
When atria relax ventricles do what?
When relaxed, the atria expand, and then the ventricles contract.
Do atria contract before the ventricles?
Yes, atria contracts before the ventricles.
When doe the ventricles contract?
Systole
What are the fibrous structures in the heart that prevent prolapse of the cuspid valves?
Chordae tendineae - attached to the valves between both atria and ventricles... these structures are attached to papillary muscles in the bottom of the ventricles. these contract when the valves contract, this keeps the blood from going back up into the atria.
Where is blood pumped when ventricles contract?
Into the heart
When the ventricles get very full it does what strongly?
contract
When the ventricles contract blood flows from the right ventricles to what?
The right ventricle pumps blood to the lungs.
What contract together to pump blood?
The ventricles contract to pump blood out of the heart.
Do ventricles contract together or does one follow another?
They normally contract together.
