Category: General

How do aquatic animals move?

They have fins as the locomotory organs, Various types of fins are present in fishes such as dorsal fins, pectoral fins, caudal fins etc. What is the move...

What is SA node class 11?

The sinoatrial node also known as the SA node is a banana-shaped structure, its function is to ensure a heartbeat, located in the inner wall called myocar...