READING TOOL Compare and Contrast Compare and contrast the four-chambered heart with
the three-chambered heart. Describe their similarities
in the middle column. Then provide
three
examples each of animals that
have three-chambered
hearts and those that have
four-chambered
hearts.
Three-Chambered Heart
Four-Chambered Heart
Similarities
EXAMPLES
Three-Chambered Hearts
Four-Chambered Hearts
