1
Circulatory
Heart, blood vessels, and blood
2
Digestive
Stomach, intestine, liver, pancreas
3
Endocrine
Thyroid gland, adrenal gland
4
Immune
Thymus, spleen, lymph nodes
5
Intergumentary
skin protection from external environment
6
Musculoskeletal
skeletal muscle bone
for support and movement
7
Nervous
Brain, spinal cord
for coordination of body function through electrical signals and release of regulatory molecules
8
Reproductive
Ovaries and uterus and testes
perpetuation of species
9
respiratory
lungs and airways
for exchange of oxygen and carbon dioxide between internal and external environments
10
urinary
kidneys bladder
for maintenance of water and solutes in the internal environment; waste removal