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Really what happens is your main body temperature lowers so your heart pumps faster and faster resulting in it shutting down.this is called hyperthermia.

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What are the deffects if the speed of the blood circulation is decreased?

You will feel weak because blood will not be flowing in your veins the way it should be and your heart will be pumping slower.


Vagus nerveWhat is the effect of vagus nerve stimulation on the heartbeat?

Vagus nerve stimulation can decrease heart rate by inhibiting the electrical activity of the heart's pacemaker cells, which are responsible for setting the heart rate. This can be therapeutic in conditions where a slower heart rate is beneficial, such as in certain cases of epilepsy or heart failure.


If aerobic exercise improves heart strength so that it pumps more blood with each beat what likely happens to the heart rate as the cardiac muscle gets stronger explain your answer?

Resting heart rate goes down (maximum stays the same).


What is Sinus Bradycardia?

Sinus bradycardia is a condition where the heart beats slower than normal due to the sinus node, the heart's natural pacemaker, sending electrical signals at a slower rate. It is typically considered normal in well-trained athletes or during sleep, but can also be present in some medical conditions or as a side effect of certain medications. Treatment is usually unnecessary unless it causes symptoms or complications.


The velocity of blood flow is?

The velocity of blood flow varies depending on where it is in the circulatory system. It is fastest in arteries due to the pressure generated by the heart, and slower in capillaries where exchange of nutrients and waste occurs. The velocity then increases again in veins as blood returns to the heart.