Major System of the Human Body
RESPIRATORY SYSTEM
A series of organs which take in oxygen and give off carbon dioxide (primary function).
CIRCULATORY SYSTEM
A series of organs which take in oxygen and give off carbon dioxide (primary function).
DIGESTIVE SYSTEM
A series of organs which take in oxygen and give off carbon dioxide (primary function).
ENDOCRINE SYSTEM
A collection of glands that produce and secrete hormones
EXCRETORY SYSTEM
A series of organs which take in oxygen and give off carbon dioxide (primary function).
MUSCULAR SYSTEM
A series of organs which take in oxygen and give off carbon dioxide (primary function).
NERVOUS SYSTEM
A series of organs which take in oxygen and give off carbon dioxide (primary function).
SKELETAL SYSTEM
A series of organs which take in oxygen and give off carbon dioxide (primary function).