Related Clues:
- Some blood samples
- Impressive six-pack
- Set of classes all students must take
- Blood types
- Crunches develop them
- Crunched parts
- Bodybuilder's 'washboard'
- Inedible apple part
- Middle
- Six-pack components
- Muscles to crunch
- Mr. Olympia's pride
- They look very nice when ripped
- Workout target, often
- "Washboard" muscles