| A | B |
| musher | the drive of the dogsled team |
| hypothermia | below normal body temperature; very cold |
| Iditarod | A 1,151 mile dog sled race from Nome to Anchorage, Alaska. |
| frostbite | damage to a part of your body caused by freezing temperatures |
| harness | Straps attaching work animal to something |
| switchback | a curvy or zigzag road or trail in a mountainous area |
| obstacles | Something that gets in the way |
| huskies | A thick coated breed of dog commonly used to pull a sled |
| route | A road or way to travel |
| alongside | Side by side;be next to something |