How many books has Jamie Oliver puublished?

Why are the digestive and respiratory systems often the sites of entry for pathogens? What helps veins carry blood to the heart? Would taking thyroxine before a blood test affect results? How does temperature effect diffusion? What causes cartilage? What is the name of the circuit that connects the heart to all parts of the body except the lungs? Can scabies drive someone to suicide? How long does it take food to digest and come out of your body as waste? Why electrical impulse start in senatorial node? Is spinach bad for arthritis? What does of azithromycin cures STDs? What is a life-threatening complication of deep vein thrombosis? Can you get an STD from a blood transfusion? Where is the human mouth located? Are humans the only living creature that are colour blind? Too much of what food makes you itchy? What is the function of a micro and intermediante filaments? If you put a qtip in one ear could it come out the other? How many eyes are in a needle? What is stress and what are the potential sources of stress?