I think they meant pneumonia - you have the right idea: letting blood drip down your throat can cause it to drip into the lungs and that's never good!What is that?Tilting ur head back during nosebleed can cause nomonia
A cherry scone from Sainsbury's

Lungs don't have contact with blood? I thought blood ran through ever itty-bitty part in our bodies 0.o
Chicken ribs