Q. Cockroach has
A. 2 chambered heart
B. 3 Chambered heart
C. 4 Chambered heart
D. 13 chambered heart
Answer: 13 chambered heart
A. 2 chambered heart
B. 3 Chambered heart
C. 4 Chambered heart
D. 13 chambered heart
Answer: 13 chambered heart