Word game: Use the clues to work out the words. Across: 3. Protruding voice box in boys 4. Glands without ducts 7. Endocrine gland attached to brain 8. Secretion of endocrine glands 9. Pancreatic hormone 10. Female hormone Down: 1. Male hormone 2. Secretes thyroxine 3. Another term for teenage 5. Hormone reaches here through blood stream 6. Voice box 7. Term for changes at adolescence