Question

Which of the following is true of vertebrates with four-chambered hearts?
a) There is no mixing of oxygen-rich and oxygen-poor blood.
b) There is a partial gas exchange in one chamber of the heart.
c) There is a complete mixing of oxygen-rich and oxygen-poor blood.
d) There is a partial mixing of oxygen-rich and oxygen-poor blood.

Answer 1

@Loser66

Answer 2

lol im sorry but it didn't help lol

Answer 3

@sikinder

Answer 4

a) There is no mixing of oxygen-rich and oxygen-poor blood.

Answer 5

@Beautykillzz

Answer 6

Thank you!

Answer 7

oh yeah jus realized tht link is useless

Answer 8

ur wecome @Beautykillzz