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Across 4. within the veins 5. to throw a remark into a conversation between two or more people 7. the break into a conversation between people 9. existing within the cells 11. between the states 15. between people (usually describing social activities) 16. the break between parts of a play, opera, or concert 17. within the layers of the skin

Down 1. involving students from within the same school 2. within the eye 3. the worldwide computer system that allows communication and information sharing among people 5. within the state 6. between or among the nations of the world 8. within a galaxy 9. involving people playing among themselves; an exchange of activity or information between people or people and a computer 10. within the mind 11. within the nose 12. existing or occuring within your own mind 13. a person who helps translate the languages between different people 14. to get in between two people when it is not your problem or issue