Which statement about the crustacean circulatory system is false?
A) A heart is usually present.
B) Blood is pumped out of openings in the heart called ostia.
C) Blood is pumped out of the heart into arteries.
D) Crustaceans have a single-chambered heart.
E) The heart is stimulated to beat by nerve impulses.

Question

Quizplus · Accepted Answer

Blood is pumped into the heart through ostia, not out of it. Blood is pumped out of the heart into arteries.

Which Statement About the Crustacean Circulatory System Is False