

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