This is a comprehensive notes app for the CBSE class 12 students. It contains the complete set of practical science chapters for class 12. The topics covered in this notes app include the human body, human evolution, life and living organism, natural philosophy, earth, and geology.

The human body:

The human body is a physical, live, and interactive system. It consists of the brain, the nerves, the tissues, and the organs. The brain is the mind that thinks and knows what is going on around us. It is made up of cells that communicate with each other to control the body and process information.

The nerves:

The nerves are the electrical wires that transmit messages from the brain to the other parts of the body.

The tissues:

The tissues are the connections between the nerves and the cells. They allow the nerves to send messages to the cells and receive messages from them.

The organs:

The organs are the parts of the body that perform specific functions.