Fill in the Blanks Cardiovascular SystemOnline version The components of blood and their functions by Keviyana Jones 1 carbon abundant Platelets red white 4 water immune oxygen infection dioxide Plasma Red mixed 1 The blood consist of main components . is the main component of blood and consists mostly of , with proteins , ions , nutrients , and wastes in . blood cells , known for their bright red color , are the most cell in the blood . They are responsible for carrying and . are responsible for blood clotting . Lastly , blood cells are part of the system and function in immune response . They protect the body from . They are also much fewer in number than blood cells , accounting for about percent of your bloo d