Which term refers to any physical activity that uses your arms and legs and requires a large amount of oxygen for a long period of time?
a. isokinetic
b. anaerobic
c. kinesthetic
d. aerobic

The correct answer in this case is D - aerobic.

The definition is exactly what we're talking about when we're talking about aerobic exercises; they use our arms and legs and require a large amount of oxygen for a long period of time. None of the other answers come close to answer this correctly. 

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