Possible Clues:

• Cord in some cardio workouts, or an apt description of each set of circled letters in this puzzle
• Avoiding work in school subject? Give it a whirl
• Missing pearls found in children's plaything
• Cord (used by playing children)
• Cord that's twirled and jumped
• Bound to clear it, captain secure before fumble
• Son being asleep, secure toy
• Skier popping out to get equipment used when jumping
• "Give 'em enough"
• Item avoided during play, as asleep throughout improvised prose