Page 27 - ŞEHİT ÖMER HALİSDEMİR ANATOLIAN IMAM HATIP HIGH SCHOOL
        P. 27
     The blood of some an mals, such as
 lobsters and sp ders,  s blue. The
 blood of a lobster  s colorless but
 turns blue when exposed to oxygen.
 Octopuses have three hearts: a system c
 heart, wh ch allows blood to c rculate  n the
 body, and two g ll hearts, wh ch allow blood
 to pass through both g lls. S nce the system c
 heart  s not act ve wh le the an mal  s
 sw mm ng,  t gets t red qu ckly and prefers
 to crawl.
     26





