Which of these statements is true about nerve ring?

In frogs, vasa efferentia arises from the _____

What are cuboidal or columnar cells called when they bear cilia?

Cockroach is a(n) ___

What does adipose tissue store?

In frogs, the undigested food passes out through the __

Organization helps in the efficient and coordinated working of different types of cells. True or false?

What type of respiration is shown by frogs in water?