What aspect is different for Bird and fish hearts
circulatory systems matter vibrating tissue it keeps an organism warm members of their own species heat produced blood type of organs
A B C D E F G H
Birds also have four-chambered hearts.
Birds and fish have different heart circulatory systems
What aspect is different for Bird and fish hearts (A) circulatory systems (B) matter vibrating (C) tissue (D) it keeps an organism warm (E) members of their own species (F) heat produced (G) blood (H) type of organs