Bones, axial skeleton, appendicular skeleton, and joints

Muscles and tendons

Skin, hair, nails, and glands in skin

Eyes, ears, nose, skin receptors, and mouth

Heart, blood vessels, and blood

Tonsils, spleen, thymus, lymph nodes, lymphatic vessels, and lymph fluid

Nose, pharynx, larynx, trachea, bronchi, and lungs

Mouth, esophagus, stomach, small and large intestines, pancreas, liver, and gallbladder

Hormones, pituitary gland, thyroid, adrenal glands, pancreas, and gonads

Brain, spinal cord, ganglia, nerves, and sensory organs