Question

why the fish heart is called venous heart​

Answer 1

$\huge\red{\mathfrak{\mid{\underline{\overline{heya\:Mate}{\mid}}}}}$

°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°

$\huge\underline\red{Answer}$

Fish heart is two chambered

• One atrium
• One ventricle

Since, the heart always contains, deoxygenated blood so, the fish heart is called venous heart

°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°

Answer 2

$\huge\mathfrak\blue{hello}$

Fish heart called venous heart because blood passes only once through the heart unlike teresstrial animals in which it passes twice. The process is called single circulation.

HOPE IT HELP❤❤❤