The crew live and work inside the pressure hull. It must be strong enough to withstand the pressure of the water at the depth the submarine is designed to operate. When the air tanks are full of air the submarine will float - usually submarines are designed to float on the surface quite low in the water (only a little freeboard). When the submarine dives (submerges) water is let into the tanks; to surface again air is blown into them. This air must be stored inside the submarine in compressed air
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Comparing driving in the winter and driving in the summer is a little bit complicated because no matter what the weather‚ you still have to pay attention to the road and everyone else driving. Secondly‚ you must wear your seat belts at all times. Driving involves basic decision-making year round. Always stay alert and concentrate on getting from point A. to point B. In the winter rain and snow make the roads slick and hard to avoid dangerous situations. In the winter‚ a special tire is required
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Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps blood. The heart pumps blood into the arteries (blood vessels)‚ which carry the blood throughout the body. Blood pressure is one of the vital signs. High blood pressure (hypertension) is a serious condition that can lead to various health problems (coronary heart disease‚ heart failure‚ stroke).It is dangerous because it makes the heart work harder to pump blood to the body and contributes to hardening
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Homeostasis literally means “same state” and it refers to the process of keeping the internal body environment in a steady state‚ when the external environment is changed. The importance of this cannot be over-stressed‚ as it allows enzymes etc to be ‘fine-tuned’ to a particular set of conditions‚ and so to operate more efficiently. Much of the hormone system and autonomic nervous systems is dedicated to homeostasis‚ and their action is coordinated by the hypothalamus. In Module 2 we saw how
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Peer Pressure “Come on grab it hurry just grab it‚ it’s easy to steal the video game and I will let you play it first hurry‚ and grab it.” Peer pressure is basically someone around you who is trying to get you to do something you are not comfortable with‚ or something that is against your standards. For instance trying to get you to smoke‚ or drink with them is something you may not be okay with. Although some might say all peer pressure is bad I would argue that because peer pressure can be
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Page 1 College Pressures Students face peer pressure‚ parental pressure‚ anxiety‚ and financial issues throughout their college experience. Entering school as a freshman nobody truly comprehends what is in store in the feeling of meeting new individuals‚ how to handle being far from home‚ flexibility and so forth. At times this could turn into an issue. The writer‚ William Zinsser‚ proposed to readers that freshman for the most part experience peer pressure. I accept that any school understudy could
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clear point of view on a specific contemporary issue and argue how it has and will continue to have an impact on your generation. Peer Pressure. We have all at one stage in our lives‚ experienced it. We all know what it feels like to be pressured by a peer. Peer pressure today impacts on kids of my generation in a huge aspect. Teenagers feel social pressure in numerous ways such as clothing‚ music and entertainment choices‚ to unsafe areas such as drugs‚ alcohol and smoking. During adolescence
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WATCH YOUR BLOOD PRESSURE Introduction: Hey guys so I’m here to talk about how to Dance.... I’m just kidding; you guys just get so nervous that it feels like your just going to throw up? Well that is your blood just going through your veins like a bullet train. [Attention Getter]How many of you know what blood pressure is? It is the pressure exerted by the blood against the walls of the arteries. How many of you know on how high or low blood pressure really is? I mean most of us are nervous giving
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plan‚ your care team will discuss with you the best way to prevent pressure ulcers. This will be based on your individual circumstances. However‚ you may find that the general advice outlined below is helpful. Changing position Making regular and frequent changes to your position is one of the most effective ways of preventing pressure ulcers. If a pressure ulcer has already developed‚ regularly changing position will help to avoid putting further pressure on it‚ and give the wound the best chance
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Introduction: The point in a body at which the resultant pressure acts when the body is immersed in a fluid. The apparatus for center of pressure. Objective: The object of this experiment was to calculate the hydrostatic force a fluid exerts on a submerged plane surface and then compare the experimental hydrostatic force to the theoretical hydrostatic force. Theory: The apparatus defining the physical dimensions‚ this nomenclature will be used throughout this theory. Whilst the theory
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