topic of the week: renal system.
the main function of the kidney is to excrete waste products out of our body and conserve useful useful materials.
can the brain functions like kidney? filtering out all unnecessary materials. i wonder. but i guess the answer is no, since my brain is always filled with rubbish.
2 comments:
because ur brain's definition of "rubbish" is different from urs
u sounded so cheem...what does it mean ar.
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