Related Clues:

• Planetary center
• Symbol of love
• Red card
• Set of classes all students must take
• Inedible apple part
• Middle
• Tin Man's request
• One of 13 cards
• Curriculum part
• Common ___
• Apple refuse
• It "has its reasons which reason knows nothing of": Pascal
• Apple seeds' location
• Artichoke center
• Valentine decoration