1. How does the heart rate from the subject at rest, immediately after exercise, and at...

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Medical Sciences

1. How does the heart rate from the subject at rest, immediatelyafter exercise, and at 1 min, and 2 min after exercise compare?Explain the physiology reasons for any differences.
2.What is occurring during the P-Q interval? How do the averageP-Q intervals from rest and each time interval compare? How doesthe average at rest value compare to the \"normal\" value?
3. How does the average pulse-wave amplitude from rest and eachtime interval compare? Explain any variations.

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1Heart rateis the number of contractions of heart per minute Normal value of HR is 72 beats per minute Case 1 When person is resting When an individual is reating his HR is between 60 and 90 heart beats per minute Heart rate is rythmically generated by SA nodesIt is also influenced by parasympathetic and sympathetic factors Sympathetic stimulatiom causes the release of neurotransmitter nordrenaline at NMJ This shortens the repolarization period and increase depolarisation whixh in turn increase See Answer

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