Muscle bingo

Exercise and reference answers

Clues and terms

1. Clue

   Functional unit of a fibre.

   Item

   Sarcomere

2. Clue

   The thin filament.

   Item

   Actin

3. Clue

   The thick filament.

   Item

   Myosin

4. Clue

   Filaments slide, not shrink.

   Item

   Sliding model

5. Clue

   Carries signal inside.

   Item

   T-tubule

6. Clue

   Released to start it.

   Item

   Calcium

7. Clue

   Head grips the actin.

   Item

   Cross-bridge

8. Clue

   One stimulus, one pull.

   Item

   Twitch

9. Clue

   Repaid after the sprint.

   Item

   Oxygen debt

Instructions

Read each clue and tap the term it describes.

Explanation