Key words

Across

• 1. The various forms of mass communication, such as radio, TV and the press (5)
• 4. Frequency, intensity, time are ways to make the body work harder (3)
• 5. Not strenuous with little or no impact on the joints (3, 6)
• 6. Making the body work harder than normal in order to improve it (8)
• 7. A policy separating groups, especially because of race or colour (9)
• 8. Something that is fair, just as impartial (6)