Question

histology of alimentary canal​

Answer 1

Answer:

In human and other highly complex animals, the alimentary canal is organized into specialized tissues and organs. These organs and tissues were derived from the alimentary canal of our earliest ancestors, which likely consisted of a simple tube connecting the mouth and anus.

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Answer 2

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• sᴇʀᴏsᴀ: ɪᴛ ɪs ᴛʜᴇ ᴏᴜᴛᴇʀ ᴍᴏᴅᴇ ʟᴀʏᴇʀ. sᴇʀᴏsᴀ ɪs ᴍᴀᴅᴇ ᴜᴘ ᴏғ ᴛʜɪɴ ᴍᴇsᴏᴛʜᴇʟɪᴜᴍ (ᴇᴘɪᴛʜᴇʟɪᴜᴍ ᴏғ ᴠɪsᴄᴇʀᴀʟ ᴏʀɢᴀɴs) ᴡɪᴛʜ ᴀʀᴇᴏʟᴀʀ ᴄᴏɴɴᴇᴄᴛɪᴠᴇ ᴛɪssᴜᴇ.
• sᴜʙᴍᴜᴄᴏsᴀ: ɪᴛ ɪs ᴄᴏᴍᴘᴏsᴇᴅ ᴏғ ʟᴏᴏsᴇ ᴄᴏɴɴᴇᴄᴛɪᴠᴇ ᴛɪssᴜᴇ ʀɪᴄʜʟʏ sᴜᴘᴘʟɪᴇᴅ ᴡɪᴛʜ ʙʟᴏᴏᴅ ᴀɴᴅ ʟʏᴍᴘʜᴀᴛɪᴄ ᴠᴇssᴇʟs ᴀɴᴅ ɪɴ sᴏᴍᴇ ᴀʀᴇᴀs ᴡɪᴛʜ ɢʟᴀɴᴅs.