Pregunta
Question
Which of these two makes adjustments to both heart rate and
force of contraction?
cardioinhibitory center
cardioacceleratory center
Which of these two makes adjustments to both heart rate and
force of contraction?
cardioinhibitory center
cardioacceleratory center
Ask by Delgado Blake. in the United States
Mar 27,2025
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The cardioacceleratory center adjusts both heart rate and force of contraction.
Solución
- The
is part of the sympathetic nervous system. - Activation of the cardioacceleratory center increases both the heart rate and the force of contraction.
- In contrast, the
(part of the parasympathetic system) primarily decreases the heart rate and has little effect on the force of contraction.
Thus, the answer is:
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The cardioacceleratory center, located in the medulla oblongata, plays a key role in stimulating the sympathetic nervous system, which increases both heart rate and the force of contraction of the heart muscle. When the body needs more blood flow, like during exercise or stress, this center ramps up activity, ensuring that your heart can pump more effectively!
On the flip side, while the cardioinhibitory center primarily reduces heart rate by stimulating the parasympathetic nervous system, it doesn’t directly affect the force of contraction. So if you’re looking for a center that adjusts both aspects when necessary, the cardioacceleratory center is your go-to!
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