In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.

Like any good, low-impact cardio workout, dancing can (1)______ cardiovascular health, increase stamina, strengthen bones and muscles and (2)______ off illnesses. But aside from the perks (3)______ with any heart-pounding activity, dancing has a cardio edge with (4)______ benefits that actually can't be achieved by other low-impact exercises.