The photomicrograph displays a blood sample observed with a light microscope. Which row indicates the functions of the labelled parts of the blood?
- Aoxygen transport: 1; hormone transport: 3; engulfing pathogens: 2
- Boxygen transport: 2; hormone transport: 3; engulfing pathogens: 1
- Coxygen transport: 1; hormone transport: 2; engulfing pathogens: 3
- Doxygen transport: 3; hormone transport: 2; engulfing pathogens: 1