Haemoglobin helps in the transport of oxygen and carbon dioxide in the body by binding to them.

Haemoglobin helps in the transport of oxygen and carbon dioxide in the body by binding to them.
root hairs | Xylem | Urethra |
arteries | Kidneys | Veins |
atria | Capillaries | Heart |
ureter | Phloem | Urinary bladder |