The outermost tissue layer of the alimentary canal is the .

Adventia Layer (or serosa)

Is the outermost tissue layer of the alimentary canal it contains loose connective tissue covered by the visceral peritoneum. It has blood vessels, lymphatics and nerves.

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%

there's no big difference.

explanation:

the only little different between a rabbit and bunny is just that bunnies are much smaller than rabbits. bunnies are basically baby rabbits.