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∙ 11y ago
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What is fetal node?
developing embryo.
What is the sa node made of?
cardiac myocytes....
IS the heartbeat controlled by the Cardiac muscles?
Sinatrial nODE
Normal cardiac rhythm is determined by what?
The sinoatrial node is the pacemaker of the heart and determines the normal rhythm.Sinoatrial Node
What does the cardiac control center do?
The Cardiac Control Centre (CCC) is located in the brain, and controls the impulses created in the heart by the Synal Atrial node (SA node) as well as the impulses in the Atrioventricular node (AV node). The 'CCC' therefore controls systole in the atria and ventricles, and consequently heart rate is heightened or reduced based on the commands the Cardiac Control Centre gives out.
What are the sections of a fetal pigs stomach?
esophageal, cardiac, and pyloric
What is the main section of the heart that initiats the cardiac cycle also known as the pacemaker?
Sinoatrial node, or SA node.
What controls the firing of the sinus node to trigger the start of the cardiac cycle?
Sinus node
What happens in a heart when an action potential is generated in the SA node?
It simulates the node, which then sends impulses to the AV node, which disperses these impulses through the cardiac muscle to cause a cardiac cycle (rhythmic beating and relaxing of atria and ventricles)
What first causes the sinoatrial node to begin in a fetus' heart?
The sinoatrial node is a part of the electrical system of the heart. The development of the sinoatrial node is from the sinus horn myocardium in fetal development.
The correct sequence of parts that function to carry cardiac impulses is?
S-A node, A-V node, A-V bundle, Purkinje fibers
What is the correct sequence of parts that function to carry cardiac impulses?
SA node, AV node, AV Bundle, Purkinje Fibers
