What’s in the blood and what do they do?
Red blood cells-carry oxygen from the lungs to all your cells in the body. Have a nucleus
White blood cells-Fight infection. Produce antibodies and antitoxin. Unlike Red Blood cells, they don’t have a nucleus.
Platlets- Small fragments of cells , they have no nucleus. They help blood to clot at a wound.
Plasma- A plate straw coloured liquid which carry everything in the blood. Red, white blood cells and platlets. Food molecules (glucose, amino acids), waste products,