why do you think pulse rate increases
yrd1:
because the tenson
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Sometimes if hearts pumps more blood then the pulse rate may increase..
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pulse rate increases when do u do very stressful or a task which needs alot of muscle power.
pulse rate is the speed by which the blood flows.
so when u do a very heavy exercise our muscles need o2 for energy. as blood contains 02 it travels through the whole body with a very fast speed.
thank u
# brainliest
pulse rate is the speed by which the blood flows.
so when u do a very heavy exercise our muscles need o2 for energy. as blood contains 02 it travels through the whole body with a very fast speed.
thank u
# brainliest
brainliest
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