Label diagrams online... Organ systems...

 Do make use of these links, they will make things lot clearer to u...

10th std: Do check urinary system link...

Nervous system - Neuron

http://www.neok12.com/diagram/Nervous-System-01.htm

Digestive system

http://www.neok12.com/diagram/Digestive-System-01.htm

Respiratory System

http://www.neok12.com/diagram/Respiratory-System-01.htm

Excretory system/Urinary system

http://www.neok12.com/diagram/Urinary-System-01.htm