Word game: Use the clues to work out the words. Across3. Protruding voice box in boys4. Glands without ducts7. Endocrine gland attached to brain8. Secretion of endocrine glands9. Pancreatic hormone10. Female hormoneDown1. Male hormone2. Secretes thyroxin3. Another term for teenage5. Hormone reaches here through bloodstream6. Voice box7. Term for changes at adolescence