Select the most appropriate option to fill in blank number 2.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. exercise.
"Exercise" is appropriate here as a noun, referring to physical activities that improve health.
The other options: "exertion" (which suggests effort but not organized activity) or verbs ("exalt" and "exclaim"), do not convey the meaning of physical activity.