Question

10. Which one of the following statements is correct about circulatory system of
cockroach?
1) it has closed type of circulatory system
2) it has a complicated type of circulatory system
3) it has 13-chambered heart with a pair of ostia in cach chamber
4) it takes place without participation of tissues​

Answer 1

Explanation:

3) I think sojwiejejsnsi

Answer 2

Explanation:

It has 13-chambered heart with a pair of ostia in cach chamber.

I hope it will help.......... stay safe...........