What transports oxygen?
Hemoglobin hydrocarbons orchids roots alpacas burning coal lungs mammals
A B C D E F G H
Hemoglobin transports oxygen in blood.
Oxygen is one substance transported by hemoglobin
What transports oxygen? (A) Hemoglobin (B) hydrocarbons (C) orchids (D) roots (E) alpacas (F) burning coal (G) lungs (H) mammals