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The Circulatory and Respiratory Systems

Question 6 • FL-2000310-Biology 1 Sem 2

red blood cell:

Answer
A
contains the liquid portion of blood
B
fights pathogens that can cause sickness
C
helps in the healing of cuts and wounds
D
binds and carries oxygen

Explanation

Red blood cells contain hemoglobin, a protein that binds oxygen in the lungs and carries it to tissues throughout the body. The liquid portion of blood is plasma, white blood cells fight pathogens, and platelets help heal cuts and wounds. Therefore, the correct choice is “binds and carries oxygen.”

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