Circulatory system: heart, blood, blood vessels, Respiratory system: nose, trachea, lungs, carbon dioxide, Digestive system: mouth, gullet, stomach, intestine, feces, Urinary system: kidneys, ureters, bladder, urethra, urine, Nervous system: brain, spinal cord, nerve cells,

Human body system

Rangliste

Visuel stil

Indstillinger

Skift skabelon

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