Misc: name the first president of the american red cross?

Questions

Right handed people live, on average, ______ years longer than left handed people do?

The name of all the _______ end with the same letter that they start with?

The word "lethologica" describes the state of not being able to _______ the word you want?

If the population of China walked past you in single file, the line would never end because of the rate of?

The words _____ & _____ are the same whether they are read left to right or right to left?