Cardio Vascular System The Heart The heartis a muscular pumping organ located medial to the lungs along the body’s midline in the thoracic region. The bottom tip of the heart‚ known as its apex‚ is turned to the left‚ so that about 2/3 of the heart is located on the body’s left side with the other 1/3 on right. The top of the heart‚ known as the heart’s base‚ connects to the great blood vessels of the body: theaorta‚ vena cava‚ pulmonary trunk‚ and pulmonary veins. Circulatory Loops There are
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The cardiovascular system consists of the heart‚ blood vessels‚ and blood. This system has three main functions: Transport of nutrients‚ oxygen‚ and hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide‚ nitrogenous wastes). Atria: Ventricles: In a four-chambered heart‚ such as that in humans‚ there are two ventricles that operate in a double circulatory system: the right ventricle pumps blood into the pulmonary circulation to the lungs‚ and the left ventricle pumps
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P2 – Effects of five life factors on individual development Genetic factors such as cystic fibrosis for example‚ are life factors which can affect the development of an individual. It can affect an individual at any age and is caused by a faulty gene that is passed from the parents to the child. The faulty gene allows too much salt and not enough water into cells and makes a build up of thick‚ sticky mucus in the body’s tubes. This can cause blockages in the body’s tubes and passageways‚ and causes
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smoke contains around 4000 different poisonous chemicals. Cigarettes contain black tar which can block your lungs and literally turn them black. If this happens‚ it becomes harder for the lungs to be spread throughout the body If you smoke‚ your physical condition will be negatively affected‚ so it will be very difficult for you to succeed in sports. With smoking‚ the entire respiratory system becomes vulnerable to chronic disorders‚ attacks and infections. The chemicals in cigarette smoke can irritate
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According to the American Lung Association‚ there are an estimated 50 million people who smoke. For some reason people just do not fully understand the risks they take by smoking. Cigarette smoking is a frequent cause for many health problems with smokers. To begin with‚ there are many hazardous ingredients in cigarette tobacco. Some of the ingredients are poisonous or addictive. Cigarette smoke produces thousands of chemicals that are hazardous to a smoker’s health. There are
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National Institute on Drug Abuse‚ those four words are also used as street names for the highly addictive drug‚ Methamphetamine. The drug Methamphetamine‚ more commonly referred to as meth‚ is an addictive stimulant that affects the central nervous system‚ specifically the dopamine nerve terminals in the brain (National Institute on Drug Abuse). It was first created by the Japanese in 1893 and was used in World War II as a performance enhancing stimulant for Japanese‚ English‚ German‚ and American
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Introduction Our bodies produce waste‚ as does most of what we consume‚ the excretory system is responsible for removing this waste. It is essential that is waste is removed‚ or excreted‚ in order for the body to remain healthy. The human excretory system includes the liver‚ the kidneys‚ the large intestine‚ and the skin. Part 1: What Does the Excretory System Do? The excretory system is one of the most important systems in our bodies‚ as it excretes all the waste that would otherwise build up inside
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every day. Now that guy lives on hospital machines and asthma inhalers because the cigarettes have caused him to have lung failure and cancer. It has caused him to live a sad life forever only because he thought it was “cool”. The kid didn’t realize and know what the long term effects until he have experienced it. There are many chemicals found in cigarettes that can cause lung failure‚ heart problems‚ cancer‚ and even death. Carbon Monoxide is a poisonous gas found in cigarettes‚ which inhibits
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Circulatory System Composition of Blood Red Cells -These are tiny‚ disc-like cells which do not have nuclei. -In their cytoplasm is the haemoglobin‚ a protein combined with iron. Haemoglobin combines with oxygen in places where there is a high concentration of oxygen‚ to form oxyhaemoglobin. -Oxyhagemoglobin is unstable compound. It breaks down and releases its oxygen in places where oxygen contentration is low. White Cells -They undergo a process of matruation and development in the
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than you might want to think about. The majority of the effects created by marijuana are caused by a certain ingredient called Tetrahydrocannabinol‚ known to most simply as THC. THC is responsible for creating the experienced feelings of giddiness and relaxation that the user is searching for. Anytime marijuana is consumed‚ whether it’s by eating or inhaling‚ THC makes its way into the bloodstream. If smoking‚ THC will first enter into the lungs. It will then reach special cannabinoid receptors located
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