MISSING LINK CLXXXVI

Each trio of words below shares a Missing Link - that is, its members have something in common, obvious or not. For example, RIVERS, NOSES, & VIOLINS can all have BRIDGES.

1. Blood..........Cycle..........Force
2. Dance..........Music..........Study
3. Run..........Cast..........Look
4. Scarf..........Wolf..........Bolt
5. Pump..........Flat..........Platform
6. Brain..........Heart..........Nerve
7. Hat..........Crow..........Words
8. Spell..........Goods..........Ice
9. Spring..........Coffee..........Lunch
10. Your attention.....One moment.....The envelope

Answers:

1. Life
2. Kinds of halls
3. Over
4. Words meaning to eat quickly
5. Kind of shoes
6. Things given by the Wizard of Oz
7. Things you eat in embarrassment
8. Dry
9. Kinds of breaks
10. Expressions followed by "Please"