Explain the Physiology the Cardiovascular and the Digestive System in the Body in Relation to Energy Metabolism in the Body. Discuss the Role of Energy in the Body and Analyse How Those Two Body Systems Interrelate to Perform a Named Functions.

2467 Words Apr 11th, 2012 10 Pages
Explain the physiology the cardiovascular and the digestive system in the body in relation to energy metabolism in the body. Discuss the role of energy in the body and analyse how those two body systems interrelate to perform a named functions. For distinction analyse
Energy it is the ability to do work. Energy cannot be destroyed but it can be changed to another form. Without energy we would not be able to growth or move. To stay alive we need regular and permanent supply of energy or else we would die. Without energy our body would not be able to carry out processes such as: * Growth and reconstructions of new cells and tissues as energy is necessary to supply biochemical reaction that then is building larger organic molecules
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The food is still not small enough to get unto our blood stream and it has not provided the body with anything useful yet. Now a valve at the end of the stomach is opening to send the food past the liver. At this point liver/gall bladder our food is being hit with more chemicals. As the liver is making chemical called bile but that chemical is not stored in the liver, as it is stored in the gall bladder. When the bile is mixed with food it is breaking down the fat from milk, cheese etc into smaller elements. Later this fat will supply us with energy. Next step is the pancreas this adds a digestive chemicals as the food leaves the stomach. The digestive juices are breaking down the carbohydrates and the proteins such as bread, potatoes, meats, and butter. Then the food passes through the small intestine. The small intestine is 22 feet long. This is where the real digestion takes place. As the food passes through, it is mixed with the new chemicals and soon the food we have eaten in now digested small enough to be put to use by the body. Along the wall of the intestine are thousands of tiny fingers called villi. Blood vessels in the villi absorb the tiny food and send them off to the rest of our body through the blood. Whatever the body cannot put to use is sent to the large intestine the big role of the large intestine is to remove water. Water has been only necessary until now but it is no longer

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