Please explain how nutrients from the small intestines make their way to the heart?
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It is from a series of small blood vessels.\nYou need a map of vessels to get an accurate picture.\nThe small intestine's are microscopic.
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The small intestines absorbs many nutrients from the food you eat.  If part of it is removed,  nutrients are not absorbed and thus weight loss results.
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Basically by osmosis. The cell absorbs nutrients and oxygen through the cell wall from the blood circulating in the capillaries. The oxygen is absorbed by the body in an exchange in the lungs and nutrients are absorbed through the small and large intestine and they all travel in the blood stream to the cells.
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amalyse breaks starch (a sugar polymer) to its dimers and monomers. (glucose, fructose. etc) so they can be absorbed by your small intestine.
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If the patient has a functional GI tract (gut) they can be fed using enteral nutrition.  Enteral nutrition consists of infusing formula that contains all the fluids, vitamins, minerals and calories into the patient's stomach or small intestine.\nIf the patient does not have a functional GI tract, they are given TPN (Total Parenteral Nutrition) through an IV.  TPN's consist of Dextrose, Amino Acids, Fat, Electrolytes, Vitamins and Trace Elements.
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small intestines only, water is absorbed through the large intestine
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MOUTH -  The teeth break food into smaller bits, which are  formed into a soft ball, called a bolus, by the tongue. Saliva lubricates the food and begins chemical digestion.\n \nPHARYNX -, or throat The pharynx pushes the bolus into the   esophagus.\n  \nOESOPHAGUS - The bolus is moved through the 10-inch esophagus by a series of coordinated, wave-like contractions. At the end of the short journey, the opening to the stomach relaxes and opens until the bolus of food passes, then closes again to prevent stomach contents from backing up. \n \n STOMACH - The stomach muscles pummel food and churn it with gastric juices containing enzymes and hydrochloric acid, killing potentially harmful bacteria and microorganisms and continuing the breakdown of food into smaller and smaller pieces. The resulting material is now called chyme. Four hours (longer if a meal includes fatty foods)\n \nSMALL INTESTINE -The duodenum (the first section of the small intestine) adds bile and pancreatic juice to the chyme, which helps the intestines digest and absorb nutrients from the food. Most digestion and absorption take place in the small intestine. Food first spends four hours in the duodenum, then two hours in the rest of the small intestine \n\nLARGE INTESTINE - Sodium and other salts, and most importantly water, are absorbed here. Leftover waste material is slowly pushed through the colon by muscular contractions until it reaches the rectum. Stool is ultimately eliminated from the body during a bowel movement from the rectum.  \n\n\nHOW LONG BOLUS IS DERE ( TIME)\n\nMOUTH- MINUTES OR LESS\n\nPHARYNX- SECONDS\n\nOESOPHAGUS- One to six seconds for liquids  \n            30 to 60 seconds for solids\n\nSTOMACH- Four hours (longer if a meal includes fatty foods)\n\nSMALL INTESTINE-Food first spends four hours in the  \nduodenum, then two hours in the rest of the small intestine\n\nLARGE INTESTINE-14 HRS
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Mouth, esophagus, stomach, small intestine, large intestine, colon, rectum, anus are the parts the food or the waste from food travel through.  Side line contributors are glands such as\nsaliva glands, liver, gall bladder, pancreas.
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draw a diagram of the system and where the blood goes when it goes in the heart etc. like show how it first goes into the right atrium than right ventricle than pulminary arteries then to the lungs to get oxygen then it travels back into the heart using the pulminary veins then its inside the left atrium then it goes through a valve into the left ventricle than to the aorta than to the rest of the body
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Each cell must have the ability to get oxygen, nutrients, get rid of waste products like CO2. This is accomplished by the fluid in the tissues and the fluid around each cell. When blood goes through a capillary fluid can leak to the tissues, this is where it comes from. Now through the process of osmosis some of this fluid must go back into the circulatory system, but not all of it does. The fluids left over makes up the lymphatic fluid and is carried in lymphatic vessels.
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The entire heart is a pump. The whole thing contracts and expands 72 times a minute on average.  What is it's source of energy? Same thing as every other organ's source of energy. . .the food you eat, with the help of oxygen, food broken down into its constituent parts is what fuels the body.
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Blood plasma, red blood cells, white blood cells, platelets, and numerous nutrients that are being delivered to various parts of your body.  \n\nStructurally speaking, the circulatory system is a complex set of arteries drawing blood away from your lungs and to every part of your body (including the brain and heart muscle), veins drawing blood toward your lungs, the heart that pumps to keep blood moving, and capillaries that drop of oxygen to cell tissue in exchange for carbon dioxide.
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According to the slithery sites in our Digestive System category, we have about thirty feet of intestines in our body! The small intestine, where most of the digesting happens, is over twenty-two feet long! The inner surface of the small intestine is covered with millions of tiny finger-like extensions called villi. These villi absorb the nutrients from the food and pass them into the blood supply. The large intestine, or colon, is about six feet long. It reabsorbs water from the undigested food passed on from the small intestine. A meal usually stays in your stomach for around three hours, but can stay in your digestive system for up to three days.
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The food doesn't enter the blood stream.  It is broken down and the absorbed nutrients are recognized.
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All right, I'm first going to explain, briefly, the structure of the cardiovascular system, and then I'll move on to how the blood transports oxygen specifically.\n\nYour heart pumps blood from the right ventricle to your lungs, where it exchanges carbon dioxide for oxygen, and then continues to your left atria. The left atria pumps the blood to the left ventricle, which pumps blood through your arteries  to your capillaries, where the oxygen is released so that cells can use it. Carbon dioxide is picked up, and the blood continues to the veins, and back to the right atria.\n\nNow, your blood contains red blood cells, which contain two important molecules, hemoglobin and myoglobin. Both have a high affinity for oxygen, so, in your lungs, where there is a high oxygen concentration, oxygen binds to each of these two molecules (until the equilibrium point is reached). The red blood cells are pumped throughout the body. \n\nIn the body, the concentration of oxygen is lower than in the surrounding atmosphere, so the amount of hemoglobin (and myoglobin) which is binding oxygen decreases until it reaches the new equilibrium point. Active tissues use oxygen quickly, forming lots of CO2, which enters the blood, and is converted to carbonic acid by red blood cells, using the enzyme carbonic anhydrase. The change in pH lowers the affinity of hemoglobin for oxygen, so more oxygen is released from other red blood cells near working tissues. The carbonic acid is released back into the blood from red blood cells, where it dissociates into a proton (H+) and a bicarbonate ion. It travels through the blood back to the lungs, where it is converted back into CO2, and diffuses across the transport surfaces of the lungs due to the concentration gradient. Then the cycle starts over.
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As Beare85 said, the matter comes in as nutrients or food. Metabolism consists a series of reactions that happens in the body and in cells, taking in food (potato, beef and so on), brakes them down into the smallest biological molecules (particles such as proteins, carbohydrates, fat, and other minerals and vita mines, while storing the energy of those bonds), then uses them as building blocks for their functions. In the body, a lot of the breaking down happens in the digestive system, and is spread through the body in the blood. Cells absorb nitriente mostly as building blocks already. Cells are mostly proteins, lipids (fat) and water. It all comes from food.
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The small intestine is about 18-23 feet long and consists of three subdivisions.\nThe large intestine is about 5 feet long and is made up of the cecum; the ascending, transverse, descending, and sigmoid portions of the colon; and the rectum.