what is meant by permeable membrane
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Explanation:
A permeable surface allows materials like liquids to pass through — either in or out. Inside the body, the walls of cells are permeable membranes that allow fluids and nutrients to get in and nourish the cells
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A ᴘᴇʀᴍᴇᴀʙʟᴇ ᴍᴇᴍʙʀᴀɴᴇ ɪs ᴀ ʙɪᴏʟᴏɢɪᴄᴀʟ ᴏʀ sʏɴᴛʜᴇᴛɪᴄ ᴍᴀᴛᴇʀɪᴀʟ ᴛʜᴀᴛ ʜᴀs ᴛɪɴʏ ʜᴏʟᴇs ɪɴ ɪᴛ, ᴀʟʟᴏᴡɪɴɢ sᴍᴀʟʟ ᴘᴀʀᴛɪᴄʟᴇs (ɪɴᴄʟᴜᴅɪɴɢ ᴡᴀᴛᴇʀ ᴍᴏʟᴇᴄᴜʟᴇs ᴀɴᴅ ɪᴏɴs) ᴛᴏ ᴍᴏᴠᴇ ᴛʜʀᴏᴜɢʜ ɪᴛ. A sᴇᴍɪᴘᴇʀᴍᴇᴀʙʟᴇ ᴍᴇᴍʙʀᴀɴᴇ ɪs ᴀ ᴍᴇᴍʙʀᴀɴᴇ ᴛʜᴀᴛ ᴏɴʟʏ ᴀʟʟᴏᴡs ᴄᴇʀᴛᴀɪɴ ᴛʏᴘᴇs ᴏғ ᴘᴀʀᴛɪᴄʟᴇs ᴛᴏ ᴍᴏᴠᴇ ᴛʜʀᴏᴜɢʜ ɪᴛ ᴜɴᴅᴇʀ ᴄᴇʀᴛᴀɪɴ ᴄᴏɴᴅɪᴛɪᴏɴs.
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