Mazgu Ghamusi

a Mu buku lake linyake, Charles Darwin wakati viŵaro vinyake vya thupi la munthu ni “vyambura nchito.” (The Descent of Man) Yumoza wa awo ŵakamukhozgeranga, wakayowoya kuti pali viŵaro vinandi vya thupi la munthu ivyo ni vyambura nchito. Ciyelezgero, nkhaciŵaro kanyake ka ku matumbo kakucemeka appendix na kanyake ako kali musi mwa singo kakucemeka thymus.