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The Respiratory And Circulatory System

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The four systems are the digestive system, the respiratory system, the circulatory system, lymphatic system and the urinary system. The digestive system is divided into two sections i.e. the alimentary canal this is about nine meters long which starts from the mouth and ends at the anus.
The second section is the accessory organs these are organs which assist with digestion, absorption and storage of food substances. This includes the pancreas, liver and the gall bladder.
Digestion is the process of digesting food it is a process in which the food is converted or broken down into a substance that can be absorbed and assimilated by living organisms in this case it is mammals. During this process the digestive system is involved mainly the digestive …show more content…

The process of digestion happens every day as we eat food everyday so the body has to carry out this process of digestion in order for the food to be broken down into smaller molecules like carbohydrates, proteins, fats and vitamins. This is because nutrients in the food give the body cells the energy and substances they need to operate. The digestive system is the major system when it comes to digestion and absorption of nutrients. The digestive system has many parts which involves the digestive tract which is also known as the gastrointestinal (GI) tract, the liver, pancreas and the gallbladder. The GI tract is a long tube that is twisted in shape of hollow organs. The tube starts at the mouth and ends at the anus. The hollow organs of the GI tract involve the mouth, esophagus, stomach which involves the small intestine and large intestine also including the rectum and anus.
However, the digestive system involving the hollow organs is not only the system that plays a role in digesting the food. There is also the cardiovascular system that is involved in digestion and absorption of nutrients.
This is how the process of digestion and absorption of nutrients takes place the food enters …show more content…

The lymphatic system is the system of the body’s tissues which are permeated by a network of capillaries which contain blood. Apart from leukocytes these sometimes leave the capillaries through fine walls which mean that the blood does not come into direct contact with the tissues and the fluid in which it is bathed is known as the tissue fluid. This means that from the tissue spaces the tissue fluid passes into the narrow vessels which are known as lymphatic vessels. This then unites to form channels that then rejoin the general circulation. This means that the name lymph is given to the tissue fluid when it enters the lymphatic vessels. This happens when the lymph passes through the lymphatic nodes i.e. the glands and their role is that it filters preventing the passage from any bacteria, tumor cells and damaged cells to enter the bloodstream. Also these nodes i.e. the glands are in different places within the body. The gland includes the cervical nodes which drain the head, neck and chest. Then there is the axillary nodes which drain the arm, the inguinal nodes

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The next system I dissected was the respiratory system. My first task was to find the trachea as well as the esophagus. My goal was to compare the structure of each. I found the trachea to be wider, stronger, and it had a bumpy surface. The structure of the esophagus is small, but versatile which allows it to move easily.

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The digestive system is responsible for chemically and mechanically breaking down food and includes organs such as, mouth, esophagus, stomach, small intestine, rectum, anus, and additional accessory organs. These organs all aid in the breakdown of food. Food is broken down mechanically by chewing and churning in the stomach, and chemically by acidic enzymes in the stomach and in the small intestine which receives enzymes from the pancreas that are specifically designed for the breakdown of nutrients. Once the food and nutrients are broken down, the excretory system removes whatever the body decides is waste by filtering blood in the nephrons of the kidneys and turning it into urine which is then collected in the bladder and removed from the body when the bladder is

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Next, this semi-liquid mixture enters into the small intestine, where most of the calories and essential nutrients are absorbed by your body. Finally, whatever is left passes into the large intestine and eventually through the colon as it is expelled from the body. Gastric bypass surgery restructures the stomach and intestinal system, resulting in intentional malabsorption and limiting the patient 's ability to eat large quantities of food.

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The internal environment of the stomach has strong acids and active enzymes that trigger the occurrence of chemical reactions that begin to break down the ingested food. Thereafter, the process of absorption follows, whereas absorption of nutrients occurs in the intestinal tract. The process of absorption is short and is followed by excretion via the cloaca. Similarly, the liver and the pancreas assist in the process of excretion. Additionally, urinary and fecal waste travel through urinary passages and generative canals that connect to the cloaca and are emitted from the cloaca as jelly like, brown droppings.

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Not only do you physically break down your food by chewing, but digestive enzymes in your saliva begin to chemically break down carbohydrates and proteins. The more you chew, the more you mix these enzymes with your food and kick start the digestive process. Tip #2: Put your fork down between bites. Similar to tip #1, the idea is to slow down.

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The proper functioning of one system relies on the proper functioning of the other system. In other words, the digestive system needs to be in good working order to support the functions of the cardiovascular system. An example of the digestive and cardiovascular systems interrelating is: the first step in digestion of fat is to dissolve it into the intestine where bile acids produced by the liver dissolve the fat into fatty acids and cholesterol. The bile acids join with the fatty acids and cholesterol and vessels then carry the changed fat to the veins of the chest, and the blood carries the fat to storage in different parts of the body.

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Digested molecules of food, as well as water and minerals from the diet, are absorbed from the cavity of the upper small intestine. Most absorbed materials cross the mucosa into the blood and are carried off in the bloodstream to other parts of the body for storage or further chemical change. As already noted, this part of the process varies with different types of nutrients. 5. 2) Page B13, and #1-4 1.

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The digestion of lipids is initiated when the ingested lipids disperse as a fine emulsion in the GI fluids. This is followed by hydrolysis of the lipids by lipase enzymes which subsequently form digestion products. These digestion products

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The digestive system is a major component of our body, without it we wouldn't be able to receive the essential nutrients to live our daily lives. The digestive system consists of a number of organs, required for it to work correctly. Mouth The beginning of the digestive system starts at the mouth. The process of digestion actually occurs before you consume food.

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Now the digestive system is what helps us get some of the energy we need but the muscular system is what moves the food around our digestive track an out of our bodies. One of the biggest diseases that the muscular system has to deal with is the Iron Maid diseases. This malfunction is where the makeup of your muscles is remade and when they are impacted in a forceful way they turn to bone. This make the patient unable to move and it very slowly creates a pressure on their chest and stomach and makes them unable to do anything ever again.

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Due this process, it allows the lymphatic system to monitor the invading microbes. The lymphatic vessels also carry a clear fluid that it bathes in the body’s tissues that is known as lymph. Another organ is lymph node that is has specialized compartments where the immune system there and can encounter antigens. It shaped is small and bean shapes that are there in neck, armpits, abdomen and groin. As mentioned above, that there is lymphatic vessels, so that the immune cells and all the foreign particles will enter then exit through outgoing lymphatic vessels.

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