The impulse originates in the SA node, a tiny cluster of specialized cells in the right atrium.
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What id the function of artia?</h3>
During the various parts of the cardiac cycle, the atria serve three functions: reservoir during systole, passive conduit during early diastole, and booster function during late diastole.
The electrical activity causes the atria to shrink as it spreads through the walls. Blood is forced into the ventricles as a result of this. Your heartbeat's rate and rhythm are controlled by the SA node.
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Answer:
Thus, multiplying them together = 8.065 * 10^{22} atoms
Explanation:
Answer:
A) Epithelial
Explanation:
There are different kind of epithelial tissues, and depending on its clasification it could have different functions. For example the connective tissue has simple squamous epithelium. The digestive tract has a columnar epithelium. So the epithelial tissue has different functions: protection, regulation a secretion and those functions could help or improve the function of the different systems.
When the left ventricle contracts, the mitral valve closes and the aortic valve is pushed open.