Plasma, Carries red cells, white cells and plasma., Oxygen, The product that red blood cells carry, Immunity, White blood cells contribute to our ......, Carbon Dioxide, A poisonous waste gas from respiration, Protein, Urea is produced as a waste product made by the breakdown of what?, Pulse, The action of arteries expanding and recoiling is known as what?, Return, Veins ........ blood from the tissues to the heart., Capillaries, Microscopic vessels , Cardiac, The name of the muscle the heart is made up of., Tricuspid, The name of the valve dividing the atrium from the right ventricle..

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