Metabolism & Nutrition, Part 1: Crash Course A&P #36

I weigh virtually 80 kilograms. Most of it is water, which is about 64 percentage, although you can't tell by examining. I convey, compared to other living things, I like to think I'm somewhat solid. Protein is second only to water, at about 16 percentage. Not merely in muscles, but also in the insignificant sodium and potassium runs found in neurons And in haemoglobin, which is found in the blood and in the enzymes that provoke chemical reaction In each of the 37 trillion cadres in the body. Fat is 16 percentage of my torso, which does not vex me at all. Mineral salts such as calcium and phosphorous in the bones and iron in the blood account for 4 percent. Carbohydrates are about one per cent, and most of them are expended as I talk to you Or place it as glycogen while it awaits use. This does not mean that I feed 80 kilograms of nutrient and became like this. Rather, my form is constantly acquiring cloths, like yours, and is extracting some of them for storage And they ignite some for force, and be disposed of the residue. But even the things the body storages don't last forever. Some of the chemicals I gain from food eventually become part of my figure. But enzymes wear, tissues break down, and nucleic acids oxidize, so we lose them. Then I need more of those compounds to replace my lost ones. As a arise, during my lifetime, my mas cells will be created Between 225 and 450 kg of protein. Any three, four, or five homo explanations are made with protein only. And all proteins, fattens, starches and nucleic acids My torso comes from food, of course. Every living organism must continue to gain and break down food In succession for him to continue plying himself with the raw materials he needs to survive. And all of this activity expects intensity that we get from food as well. So how do our figures alter what we eat into energy and raw material? The ask lies in an endless line of interactions devoted to doing the two criticals And altogether opposite. A group of chemical reactions destroy the responses that are given to it They turn gigantic, complex materials into remains of molecules. Another group is recombining the leftovers into new and bigger makes They are made again to form the human body. Our torsoes incessantly reinvent themselves in a constant mood of loss but always rehabilitated. Although all of this occurs at the cellular stage, its results are much greater. It is in these two initiates of interactions that everything we've learned so far is evident For the digestive method, endocrine method, circulatory system and respiratory system. Together, these processes shape metabolism. The technical command metabolism has acquired a represent in favourite culture, But metabolism isn't all about one thing. People talk about metabolism in the sense that how quickly the body burns the fuel in menu. Or how high your personal energy grade is. And it's okay for this to be used by personal managers and fitness stores. Functionally, however, metabolism describes every biochemical reaction that takes place in the body. Most importantly, it reconciles two opposite chemical treats You always run at the same time throughout the body. Anabolism is one of the two chemical personnels. Anabolic reactions improve things up and devour exertion. These are the processes that take in the building blocks found in food Such as monosaccharides, fatty and amino acids and proselytizing them into larger and more complex polymers Such as carbohydrates, fatties and proteins that are used in cadres. And where it is necessary new building constituents or you need to release some vigor Polymers present in the body or brand-new polymers present in food are broken down through catabolic reactions. The catabolism procedures broken off big corpuscles. And when their alliances are broken, they raise the vigor needed to stay warm, to move around, and to fuel cadres To rebuild those polymers. The metabolism process is very similar to Sisyph from the beliefs; She works hard-handed but never finishes her effort. And the boulder that a Sisyph instance pushed inside you to the top of the summit to see it fall again, They are the nutrients, and they are the molecules that the body always breaks down and then rehabilitates To destroy it again. These are the nutrients or elements the body needs to build, maintain and restore itself It has six basic radicals. In calls of work, irrigate spawns up most of what we consume and what attains up our bodies. So it is probably the most important nutrient. Then there are vitamins, which are complexes that they are in fatty or ocean soluble organizes. They are not used as building blocks or to produce energy. But it is essential in helping the body use other nutrients that do. For example, vitamin C improves cast-iron absorption, and vitamin K is important for blood clotting. Some B vitamins are important for producing adenosine triphosphate from glucose. Minerals, like vitamins, is not add fuel, but they do have a variety of other functions. Calcium, magnesium, and phosphorous strengthen bones and teeth, and cast-iron is important in the formation of haemoglobin. Potassium, sodium and chlorine help maintain the body's pH balance. And it is used in the efforts of verbs. So water, vitamins and minerals are essential. But the essential points nutrients everyone is talking about What we find on various nutrient labels are carbohydrates, overweights and proteins. Most of the carbohydrates we eat in our life, Except for the lactose found in milk, it comes from embeds in origin. Monosaccharides and disaccharides come from outcomes, sugar, sugar beet and carbohydrate cane. Whereas, polysaccharides come from veggies and grains. And what you should know is that the monosaccharide glucose is the most important molecular fuel What cells need to make adenosine triphosphate. Adenosine triphosphate is the molecule that cadres use to stimulate anabolic reactions When you need to produce new polymers or do anything else like running a sodiumpotassium pump Or separating the tip of the myosin strand in order to better for a muscle to contract. But adenosine triphosphate is shaky, which handicaps its storage, so cells store vigour in the form of glucose. She can later undercut it and convert it into adenosine triphosphate when you need it. Some cells can obtain energy from obesities. But most crucial cells, such as neurons and red blood cell, use merely glucose. So most of the starches assimilated by the intestine are converted into glucose for this reason. But if exertion is not needed immediately, well stored as glycogen in the liver or muscles Or turn it into glycerol and fatty acids to produce triglycerides. Although there appears to be an advertising war being waged against dietary fats, However, we definitely need it. Obesity in adipose tissue store energy, of course, but they store fatsoluble vitamins Members are assigned. Lipids form myelin that isolates neurons in the mentality and body As well as the lipid mantle of the surface, it provides the essential calorie content found in breast milk. But there are other important lipids, such as cholesterol, who the hell is basic combinations Such as the male hormone and estrogen. And phospholipids also form the cell membrane In each of the nearly 36 trillion cadres in the body. If you like to eat meat, it may be the source of a lot of the flabs that you grasp. But floras contain solids, very. Floras use lipids to place vitality just like a human does. But it stores it in fruits, nuts and grains, and this is similar to the breast milk of weeds. That is, it is food for its young. Either way, when you munch fats, the body breaks down triglycerides and turns it into glycerol. And fatty acids. These molecules are likely to be managed and used to make adenosine triphosphate. Or, they are converted into other types of acidic fats that the cadres can reassemble To become triglycerides and phospholipids. The liver does an excellent job of altering an acidic solid into another acidic solid. But there are forms that he cannot create. For example, omega6 and three fatty battery-acids announced all-important fatty battery-acids Because the body cannot make it, so it must be eaten. And it converts into different types of helpful molecules, such as those used to utter synapses in the psyche And likewise to signal the start of an infection during the healing process. But if the carbohydrates utter force, overweights isolate and accumulation intensity, Proteins do everything else. It establishes up the bulk of muscle and connective tissue, and is the substance that creates ion paths and gushes In neurons and muscle cadres, and they create enzymes It is responsible for almost every chemical reaction in the body. This means that the body works on proteins, and virtually everything is made of protein. Nutritionally, flesh and dairy products, eggs, legumes, nuts and cereals, They are all rich in protein. But because everything we dine was alive in the past, And because every cadre of every animate thing contains protein, as long as you ingested entire meat, You replenish your protein at least partially. It might sound like you have to eat muscles to spawn muscles, or you have to eat enzymes to move enzymes, But the process does not go like this. Since all proteins are made of only 20 amino battery-acids, The differences between thousands of unique proteins simply exist in the sequence of those amino acids. And of course, you have a specialized molecule that knows precisely which amino acids to put together In what fiat to make a particular protein. It is called DNA. For example, when you chew hamburger, the actin protein in the meat is destroyed To broken up into its components, which are amino acids, which mingles with other amino acids Other proteins in meat include collagen, elastin, titin, and myosin Plus all the proteins from bread, tomatoes and mayonnaise. These amino acids are recombined utilizing anabolic reactions Becoming your own proteins, but slightly different depending on what your nucleic acids determine. Every cell is like a picky chef and should have every amino acid there is a requirement to That is, every ingredient should be there before you even think about stimulating protein. And just like lipids, cells can improvise And converting some amino acids into other amino battery-acids if they lack a certain element. But there are nine all-important amino acids that you cannot attain from other amino battery-acids and you should eat them. Not countless foods cater every essential amino battery-acid, but when you desegregate meat, Like cereals and rice or pasta and cheese, you get all the essential amino acids. “Its important” because after ocean, the body is made up of about 16 percentage protein. But what about one percent in the body? Starches? How does that small-scale part of the body make all the energy? This is what we will discover next time. Today, nonetheless, you learned everything about all-important nutrients, including spray, vitamins and minerals Starches, paunches and proteins, as well as how the anabolic reactions come about By build designs and ingesting power, delegation reactions destroy things and give off energy. These two rivalling obliges make up the wonderful contrasting process known as metabolism. Thanks to Senior Education Officer Linia Boyev and thanks to all of our Patreon sponsors Those who stimulate Crash Course content possible with their monthly contributions , not just for themselves Indeed, for everyone everywhere. If you like Crash course And you want to help us to keep shaping huge videos like this one, see crashcourse. The chapter was filmed in Dr. Sherrill C. Kenny of Crash course. This escapade is written by Kathleen Yale, edited by Blake De Pastino, and our consultant is Dr.Brandon Jackson. The chapter is directed by Nicholas Jenkins and revised by Nicole Sweeney The reverberate designer is Michael Aranda and the graphics team is Thought Caf ..

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