what are the four body systems?
What are the three vital fuctions?
the healthy habits
which are the the types of the stimulis?
what are the interaction function?
human beings are able to contro interaction functionl and cordinnate their activities through the inteaction function
internal and external stimulis
are exercise, spend time with your friends and family
are digestive system, respiratory systems, circulatory systems and excretory systems
are the interaction function, nutrition function and the reproduction function
