Question

Describe the process of breathing in earthworms.

Answer 1

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They breathe through their skin. Air dissolves on the mucus of their skin, so they MUST stay moist to breathe. If worms dry out, they suffocate. As fresh air is taken in through the skin, oxygen is drawn into the worm's circulatory system, and the worm's hearts pump the oxygenated blood to the head area.

Answer 2

• ᴀɪʀ ᴄᴀɴ ᴇᴀsɪʟʏ ᴘᴀss ᴛʜʀᴏᴜɢʜ ᴛʜᴇ sᴋɪɴ ᴏғ ᴀɴ ᴇᴀʀᴛʜᴡᴏʀᴍ .
• ᴛʜᴇ ᴇxᴄʜᴀɴɢᴇ ᴏғ ɢᴀsᴇs ᴜsᴜᴀʟʟʏ ᴛᴀᴋᴇs ᴘʟᴀᴄᴇ ᴛʜʀᴏᴜɢʜ ɪᴛs ᴍᴏɪsᴛ sᴋɪɴ ᴀɴᴅ ᴄᴀᴘɪʟʟᴀʀɪᴇs .
• ɪɴ ᴛʜᴇsᴇ ʀᴇɢɪᴏɴs ᴛʜᴇ ᴏxʏɢᴇɴ ɢᴀs ɪs ᴘɪᴄᴋᴇᴅ ᴜᴘ ʙʏ ᴛʜᴇ ʜᴀᴇᴍᴏɢʟᴏʙɪɴ ᴅɪssᴏʟᴠᴇᴅ ɪɴ ᴛʜᴇ ʙʟᴏᴏᴅ ᴀɴᴅ ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ ɪs ʀᴇʟᴇᴀsᴇᴅ ᴏᴜᴛ .