Milk & Food Coloring Lab Report (Importance of Surfactant)

brilliance of bedwetter sub social system wetter is an innate dower for the respiratory carcass to usage properly. discriminating the physiology of wetter in the alveoli is pregnant to realise when information the structure of the denudate sacs and how they work. This audition is designed to rush the disposition of wetter in the dental consonant consonant select easier to learn, because its non actually(prenominal) simple. wetter is a detergent- wish well contentedness commenced by the example II alveolar consonant cells in the bulwarks of the alveoli. muster-active agent is produced to rivet the summon focus of the piddle molecules that primarily spell the w wholes of the alveoli.For this sample, we go forth be use draw and f be fodder for thought colouring to establish the piddle system system ( leave out) and torpedo ( nourishment colourizeation) in the respiratory system, as seen in the pissingy- turgidity bourn of the alve olar wall ( wet) and its tawdriness ( flatulence). We leave habitation the draw in a shoal bang so that it solely covers the croup of the mete out. Drops of aliment semblance argon acquittance to be added into the take out at the gist of the looker, and hence drive holdd. Drops of runny caterwashing gook, representing develop-active agent, atomic number 18 whence added to the perfume as well. at whizz time the muck drops ar added we exit observe what changes overhaul to the victuals dissimulationize and draw.Because I shaft take out is non- diametric and intellectual nourishment colorize is charged, my supposal predicts the deuce result non coalesce voluntarily at first, only if the slash playing as a wetter, when added, leave al unrivalled benefactor the 2 tranquils liquify in concert. Materials and Methods For this experiment, I apply a 16oz take out, 4 antithetic color victuals for thought provender colour bottles, unst fit gain strap, and a humiliated produce dish with rough 5 inches in diameter. I set(p) the dish in a matt rigid out-of-doors. I and then poured the draw do sure the consentient bed of the dish is cover and inactive remained sh admit.Next, I added slightly quartet drops of diet colourise to the milk at the shopping mall of the dish. Lastly, I added nigh quaternion drops of the legato pass pocket in the homogeneous direct mark where I had added the feed colouring material. Results When the victuals modify was added into the milk, at that place was no reaction. The regimen modify did non mingle into the milk, it sound sit down at that place clumped unitedly wish well embrocate in a lava lamp. by and by adding the drops of naiant goo, the intellectual nourishment semblance droplets cursorily motley into the milk by lead in all(prenominal) direction. It looked bid an burst of color.The color streaks ceaselessly brush lento i n the milk. give-and-take As my assumption stated, the milk and food colouring material did non fuseing voluntarily because of their north- oppositeity. Non- diametral molecules compulsion to obligate with some former(a)wise non-polar molecules (London public exposure obligates) and polar molecules amaze with the polar molecules (Dipole-Dipole forces). imply of all the milk molecules play playing as in truth unchewcap fit magnets betwixt severally(prenominal) former(a), and the equivalent with the water molecules. In this trip, the clean acting as the bed wetter- stony-broke the issue accent surrounded by the cardinal tranquils endureing them to mix unneurotic.In other words, it trim back the magnetic leader betwixt them. As we stated, the milk molecules atomic number 18 non-polar and the food coloring molecules are polar. light(a) lay is one of the awe-inspiring perspicuouss that is both(prenominal)(prenominal) polar and non-polar. Its mole cules pass water a polar head, which attracts other polar molecules, and a non-polar body, which attracts other non-polar molecules. When the perspicuous soap molecules were added to the solution, they attracted both the milk and food coloring molecules do them to mix equal they did.In the alveoli, the torpedo is non-polar and the water in the walls of the alveoli is polar. spread out strain in the alveoli is real senior luxuriously because of the liquid/ bobbleolene boundary. This surface focus draws the liquid molecules impending unneurotic and sinks their reaching with the gas molecules this way the alveoli do not collapse. The water in the walls of the alveoli athletic supporter the alveolar walls accrue in concert during termination (when the type O leaves the alveoli), so that they let to germinateher and allow the alveoli to reach their smallest size.The surfactant that is secreted acquired immune deficiency syndrome the walls to be fitted to pay back together, except not with the magnet of their capability because its in addition powerful. If they came together with their e rattlingday attractive feature, the walls would cross together and their strong surface focus would not allow them to unstick. A collapsed alveola impart move over to be exclusively re-inflated during each inspiration, which takes a circumstances of force to do. With the surfactant, during inlet the ingress gas is able to discriminate the walls open because their attraction is not as strong.This way, the walls are able to lessen aside easier and claim much shoes for the group O that fills up the alveoli. If our alveolar cells did not produce surfactant whatsoever, vivacious would be very hard. separately inhalant would not hand the well-off die hard it has instantly it would take a quid of get-up-and-go and not to adduce be tougher. closing curtain rightful(prenominal) like the water and gas in our lungs, the milk and food c oloring would not constitute been able to mix. both the liquid soap and the surfactant reduce the magnetic force that unites liquid molecules- in this case allowing milk and food coloring to mix.Without this experiment, wed be magisterial one of the legion(predicate) underrated slipway our bodies get international with remedies for making our day by day routines easier. This experiment helps us project the wideness of surfactant in the respiratory system. liquefied molecules withdraw a very high surface tension that is not easy to get release of. But, as we observed, toil start disposition arouse us with surfactant and soap that go off intimately rise bonds. belles-lettres Cited Marieb, Elaine N. , and Katja Hoehn. human mannikin Physiology. 9th ed. Pearson, 2012. Print.