A-LevelBiologyGas exchange9700/12 · Oct/Nov 2019 · Q331 Mark
Four types of cell in the gas exchange system are listed. J alveolus epithelium cell K ciliated cell L goblet cell M smooth muscle cell The ticks (✓) in the table show specialised features of three of these types of cell. Which row correctly matches the specialised feature with the correct cell?
A1: J, 2: M, 3: K
B1: K, 2: J, 3: M
C1: K, 2: M, 3: L
D1: M, 2: K, 3: J
✓ Correct answer
C: 1: K, 2: M, 3: L
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