Question

concentration of urine in the collection tube takes place ​

Answer 1

Answer:

Renal system

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Answer 2

$\huge \bf \red { \underline \mathfrak{question : -}}$

$concentration \: of \: urine \: in \\ \: the \: collection \: tube \: takes \: place$

$\huge \bf \red{ \underline \mathfrak{answer : - }}$

ᴍᴀxɪᴍᴜᴍ ᴄᴏɴᴄᴇɴᴛʀᴀᴛɪᴏɴ ᴏᴄᴄᴜʀs ᴀᴛ ᴛʜᴇ ʙᴏᴛᴛᴏᴍ ᴏғ ᴛʜᴇ ʟᴏᴏᴘ. ᴛʜᴇ ᴀsᴄᴇɴᴅɪɴɢ ʟɪᴍʙ ᴏғ ᴛʜᴇ ɴᴇᴘʜʀᴏɴ ʟᴏᴏᴘ ɪs ɪᴍᴘᴇʀᴍᴇᴀʙʟᴇ ᴛᴏ ᴡᴀᴛᴇʀ, ʙᴜᴛ $na^ +$ ᴀɴᴅ $cl^ -$ᴀʀᴇ ᴘᴜᴍᴘᴇᴅ ᴏᴜᴛ ɪɴᴛᴏ ᴛʜᴇ sᴜʀʀᴏᴜɴᴅɪɴɢ ғʟᴜɪᴅs ʙʏ ᴀᴄᴛɪᴠᴇ ᴛʀᴀɴsᴘᴏʀᴛ. ᴀs ғʟᴜɪᴅ ᴛʀᴀᴠᴇʟs ᴜᴘ ᴛʜᴇ ᴀsᴄᴇɴᴅɪɴɢ ʟɪᴍʙ, ɪᴛ ʙᴇᴄᴏᴍᴇs ʟᴇss ᴀɴᴅ ʟᴇss ᴄᴏɴᴄᴇɴᴛʀᴀᴛᴇᴅ ʙᴇᴄᴀᴜsᴇ $na^ +$ᴀɴᴅ $cl^ -$ᴀʀᴇ ᴘᴜᴍᴘᴇᴅ ᴏᴜᴛ.