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

Otras preguntas

Solve the following literal equation for r in terms of pi, h, and v. Equation: v=pir2h (pi r squared h)
Why can't the police find the murder weapon?
Mariyam is designing shelves for a bookshop. The height, H cm, of books is modelled by the normal distribution with mean 25.1 cm and standard deviation 5.5 cm.
Find two integers whose sum is -8 and product is 15 please answer quickly im on hegarty
what fraction of 60 is the number 90? what fraction of 60 is the number 20? what fraction of 60 is the number 24? what fraction of 60 is the number 30?
This is used when details are organized by degree of impact.
Show that the polynomial function f(x)=3x^3-10-x+9 has a real zero between -3 and -2
What is the C++ program to display 3 6 9 12 15​
PLZ HELP ITS DUE TODAY
PLZ HELP ITS DUE TODAY!!!!