Discuss the respiratory system or circulatory system of frog.

Frog respiratory system || circulatory system

Describe circulatory system of frog

Explain the circulatory system of frog.

The circulatory system of cockroach

The circulatory system of cockroach

In closed circulatory system

In closed circulatory system

Cock roach || morphology OF abdomen || digestive system || respiratory system || excretory || circulatory system