What is the number of cranial nerves in a frog?

In the frog,the ventricle opens into a sac-like conus arteriosus on the $......$ of the heart. Read the given statement and fill in the blank with the correct option from the given below.

In frog,the sclerotic is:

Select the incorrect statement regarding frogs.

Which type of coelom is found in a frog?

During hibernation,the frog respires through .......