Oxygen is just one substance transported through our what
hair lungs mucus matter ovaries veins bones skin
A B C D E F G H
Blood is transported through our veins.
Oxygen is just one substance transported through our veins
Oxygen is just one substance transported through our what (A) hair (B) lungs (C) mucus (D) matter (E) ovaries (F) veins (G) bones (H) skin