Match each system with its major function.

A. results in offspring G. provides a protective body covering
B. coordinates communication H. provides shape and structure
C. removes toxins I. removes CO2 and takes in oxygen
D. regulates hormones J. detects and attacks invading pathogens
E. breaks down complex molecules and absorbs small sugars and minerals K. delivers gases and sugars to the cells
F. generates movement in the body

A. results in offspring - K. delivers gases and sugars to the cells

B. coordinates communication - J. detects and attacks invading pathogens
C. removes toxins - G. provides a protective body covering
D. regulates hormones - H. provides shape and structure
E. breaks down complex molecules and absorbs small sugars and minerals - I. removes CO2 and takes in oxygen
F. generates movement in the body - E. breaks down complex molecules and absorbs small sugars and minerals