which one isnt a part of he respiratory system?
bronchioles
lungs
bronchi
alveoli
colon

Peter, who lived 200 years ago, had a house with no rats in it. One day, his wifeheard some scurrying around on his straw roof. He went up and guess what hefound? A rat's nest. Peter was really smart--where did he think the new rats camefrom? Well 200 years ago, people believed that part of the straw roof somehowturned into rats. Why would Peter, even though he was very intelligent, accept thisidea?We're all really smart, but its not like we're the smartest people in the world. We all know that it takes a momma rat and daddy rat to make some baby rats.This is because we understand something called the cell theory, because the cell theory is just part of our culture now. It's something a lot of our behaviors andother ideas are based.1. All living things are made of cells2. Cells come from other cells3. Cells are the smallest unit of life1. Using two parts of the cell theory, explain to Peter why these two parts showthat the straw roof did not turn into the rats.2. What do we mean when we say 'The cell is the smallest unit of life? Explain as ifyou were talking to Peter, who has no idea about cells. What country came into conflict with the Boers in 1867? time = distance/speedDistanceAveragex Timespeeda) A horse runs at an average speed of 15km/hour for 30km. Howlong does this take the horse?b) A fish swims 30 metres, swimming at an average speed of 6m/s.How long did this take? please help/ / 20 points When two oceanic plates collide, one plate may sink under the other as it is forced down into the mantle.What landform is most likely to result from this movement of the plates? A. mountain B. fault C. trench D. rift valley Identify the reaction that would possibly make a goodairbag inflator.a. Fe (s) + S (s) - Fes (s)b.CH, (g) + 20 (g) - CO, (g) + 2H,0 (c. Cao (s) + H20 (1) - Ca(OH), (s)d. 2KCIO, (s) - 2KCl(s) + 30 (9) 8. The Vietnam War was most directly caused by ______. A. World War I B. The Spanish American War C. the Cold War D. World War II In 2016, there were about 36 million teenagers (ages 13-17) in the United States. They each sent an average of 850 text messages per month. How many text messages did all of the teenagers in the United States send each month? Express your answer in scientific notation Sarah is making a pizza the diameter of the pizza is 8 inches what is the circumference of the pizza using 3.14 rounded to the nearest tenth Abigail's grandmother gave her a square shaped quilt that was made up of 256 small squares. How many squares are on each side of the quilt? Find the amount of heat (Q) needed to raise the temperature of 5.00 g of a substance from 20.0 C to 30.0C ifthe specific heat of the substance is 2.01 J/gC. which of the following techniques yields a simple random sampling Pardon me Professor but may I please about my grades? Why is Professor capitalized in the sentence? 30 times 40 equals whatttt describe a compound microscope? A carpenter has wood planks that are 4 yards, 8 yards, 7 yards, and 3 yards long. what is the mad of these measurements helpppppppppppppppppppppppppppppppppppppp How and why does a DNA molecule replicate itself? Which relationships describe angles 1 and 2?Select each correct answer.adjacent anglescomplementary anglesvertical anglessupplementary angles Why are young plants like but not identical to their parents?