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ASMO Science Olympiad 2016 — Level 2 (Years 5 & 6) — Contest Question 7

ASMO Science · ASMO Science Olympiad 2016 — Level 2 (Years 5 & 6) — Contest

Question 7

When the eyes look at bright light, the circular muscles ______, and the radial muscles ______.

Question illustration
  1. Relax, contract
  2. Contract, relax
  3. Relax, relax
  4. Contract, contract