Blood, the heart, circulation and respiration

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Question 25
Easy

Figure 1 shows a high-magnification cross-section of a human coronary artery.

Figure 1: Diagram showing the cross-section of a coronary artery with a line labeled D representing the lumen diameter.

Measure the internal diameter of the lumen represented by line D D\,D in millimetres (mm).

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Blood, the heart, circulation and respiration Questions

  1. GCSE
  2. /Biology
  3. /Blood, the heart, circulation and respiration