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soldier1979 [14.2K]
3 years ago
6

Beta-blockers have what effect on heart rate and​ contractility?

Health
1 answer:
nasty-shy [4]3 years ago
6 0

Answer:

um i think its C but im not sure lol

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In a talk test method if anyone can comfortably talk but not able to sing than that person is doing moderate-intensity activity and if a person can barely talk in a continuous manner and too out of breath to easily carry on a conversation than the person is exercising at vigorous intensity level.

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