4873hindbronx 4873hindbronx
  • 02-03-2018
  • Chemistry
contestada

Why does a person's heart rate increase during exercise?

(1) Less oxygen is needed.
(2) More oxygen is needed.
(3) Less carbon dioxide is needed.
(4) More carbon dioxide is needed

Respuesta :

elitevox
elitevox elitevox
  • 02-03-2018
the answer is 2 more oxygen is needed
Answer Link
kentavia9calhou
kentavia9calhou kentavia9calhou
  • 02-03-2018
More oxygen is needed
Answer Link

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