Nervous System
Brain, spinal cord and peripheral nerves in the entire rest of the body
Lymphatic System
Pervasive throughout the body
Motor System
Muscles that move us
Sensory System
Joints, skin, muscles, organs all send input to the brain
Olfactory System
Sense of smell
Gustatory System
Sense of taste
Auditory System
Sense of hearing
Visual System
Sense of sight
Reproductive System
Genitals/uterus/prostate, etc.
Circulatory System
Blood vessels/heart
Digestive System
Esophagus, stomach, small and large intestine
Respiratory System
Sinuses, bronchial tubes and lungs
Musculoskeletal System
Muscles and bones
Urinary System
Kidneys (2) deep in the upper abdomen, bladder in the center of the lower abdomen
Integumentary System
Skin, hair and nails
Endocrine System
Glandular system - pituitary, thyroid, adrenals
Immune System
Spleen is in the left part of the upper abdomen, thymus rests on top of the heart behind the breast-bone, bone marrow is in the core of the bone - those are the primary aspects of the immune system