Energy In The Cardiovascular System

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Energy: M1
What is Energy?
Energy is the ability to work. It can be converted from one form to another it cannot be created or destroyed. There are many types of energy such as:
• Heat is also known as thermal energy such as a burning match.
• Light is also known as radiant energy such as sunlight or lightbulbs.
• Solar can be converted into other forms of energy such as heat or electricity such as solar panels.
• Chemical is stored energy in fuel, foods and batteries.
• Potential is energy in raised objects such as sky drivers.
• Kinetic is movement energy such as running.
• Electrical is moving charges or static electrical charges such as lightening.
• Sound is vibration of objects or noises such as a guitar.
Energy in our body:
Energy in …show more content…

Our hearts are on the left side of our chests it has a protective layer surrounding it called pericardium. Our heart is split into two sides the left side and the right side. The heart has walls made of muscle which contracts to pump blood into our blood vessels and around our bodies. The veins around our body deliver deoxygenated blood to the right side of our lungs. Our hearts then pump the blood into our lungs where the blood absorbs oxygen the oxygenated blood is then goes back to the left side of our heart which then is pumped around our body. The left side of the heart is slightly bigger than the right side as it has to work a lot more. Our heart has four chambers there are two atria collects the blood and the two ventricles that pump the blood out of the heart. The Valves in our heart prevents the blood from travelling backwards and the septum separates the right and left side off the heart. There are three types of blood vessels arteries, veins and capillaries. The arteries they have a thick muscle wall however they have small passageways to allow the blood to flow through. The veins carry the blood away from the heart they have thin walls surrounding them veins have valves to prevent our blood from flowing backwards. Capillaries are found in our muscles and lungs they are one cell thick. The capillaries are where the gas exchange happens the oxygen we breath in pass through the capillary wall and into our tissues then the carbon dioxide is then passed from the tissues into the blood. Blood has four different components the first component is plasma which is the fluid part of the blood which carrier’s carbon dioxide, hormones and waste. The second component is red blood cell which contains haemoglobin of which carries oxygen. The red blood cells are created in the bone marrow. The third component is white blood cells which are important to our immune system as they produce

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