The sound waves travel from the outer earand in through the auditory canal, causing the eardrum, or tympanic membrane, to vibrate. This, in turn, causes the three small bones, known as the ossicles, or the hammer, the anvil and the stirrup, in the middle ear to move.
Hope this help you.
Question 10: Monitor blood flow
Answer:
nucleus is the top one
cell is the second
cell membrane is third
mitochondria is fourth
cell wall is fifth
chloroplasts is sixth
sorry if I'm wrong but I think that's what they are