The gas exchange system includes four cell types, shown below. J alveolus epithelium cell K ciliated cell L goblet cell M smooth muscle cell The ticks (✓) in the table indicate specialised features of three of these cell types. Which row gives the correct pairing of specialised feature and cell?
- A1 J, 2 M, 3 K
- B1 K, 2 J, 3 M
- C1 K, 2 M, 3 L
- D1 M, 2 L, 3 J