234k views
5 votes
How are fish hearts and mammal hearts different?

User Fatoumata
by
5.4k points

2 Answers

0 votes
One can breathe under water and the other can’t
User Joyson
by
5.2k points
7 votes
They each have different amounts of chambers. Fish have 2 chambers, and mammals have 4 chambers! Hope that helps!
User Sunisa
by
5.2k points