Blood, the heart, circulation and respiration

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Question 50
Easy

Figure 1 shows a diagram of a transverse section through a human muscular artery.

A diagram showing a transverse section of a human artery. The vessel has a thick wall and a relatively narrow lumen. A pointer labelled with the letter Z points to the thick middle layer of the wall.

Identify the tissue layer labelled Z.

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Blood, the heart, circulation and respiration Questions

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