A. To catalyze reactions
B. To transport oxygen
C. To fight infections
D. To provide structure
Answer: To transport oxygen
A. To catalyze reactions
B. To transport oxygen
C. To fight infections
D. To provide structure
Answer: To transport oxygen
Additional Information: Hemoglobin is a protein in red blood cells that binds to oxygen and transports it throughout the body.
Subjects: Biochemistry, Biology