Human Body

The human body (means both male and female body) is consist of following  interrelated systems, such as

1. Circulatory system
2. Respiratory system
3. Skeletal system
4. Muscular system
5. Digestive system
6. Excretory system
7. Endocrine system
8. Reproductive system
9. Lymphatic system
10. Immune system
11. Nervous system

 Each system works specific function of a body. "From its earliest development in the fetus, a complex mass of tissue housed in your skull controls and coordinates these systems, which play out all of your mental and physical actions. This complex mass of tissue is your brain"*. In the above interrelated systems our "brain is a  major part of the nervous system and without it, none of other systems could work."*

Reference Books

1. Dr. Chintamani Kara "Higher Secondary Psychology Part-1" New Age Publication, Cuttack, 2007 (Oriya)
2. Ann Mcintosh Hoffelder and Robert L. Hoffelder "How the Brain Grows" series of brain works, series editors" Eric H. Chudler New York: Chelsea House Publishers (* page no. 7)