Since these is no nerve supply, the heart would keep a normal rate. It would not be able to keep up with the demand for oxygen and nutrients. A heart without a nerve supply would not be viable.
our heart mostly affect from exercise
No. The heart receive dual innervation -Brad Medling
Edwin Frederick Hirsch has written: 'The innervation of the lung' -- subject(s): Innervation, Lungs 'The innervation of the vertebrate heart' -- subject(s): Heart, Innervation, Nervous system, Vertebrates
lowers the chance of heart disease
exercise and weight
it doesnt
Cardiovascular or "Cardio" exercise increases heart rate. The word root "cardio-" means "heart".
It makes the heart pump slightly faster
yes
Vagus nerve
basically your heart rate increase as the duration of excersise increases.
All physical excersice affects heart rate...