The five letter word is shave
An example of the ineffectiveness of the colonialist activities that Marlow witnessed was that he was able to see a group of black prisoners that were walking in chains with a black man wearing a shoddy uniform and then carried a rifle. He then became familiar of this dying native laborers.
Answer:
1. Air moves through the trachea.
2. Alveoli fill with air.
3. Oxygen moves into capillaries.
