as a source of fuel when there wasn’t any oxygen available for the muscles. Also Andre’s muscles weren’t getting bigger but it was increasing in its strength; this is because of the training methods used for his six week training programme. - Effect of exercise on the cardiovascular system When Andre was exercising‚ a lot of he’s energy was getting used up quickly. This energy is gained from the oxidising glucose; this means that not only oxygen must be delivered by the blood but it has
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necessary to the environment. Trees are our best friends. They give us oxygen. They also give us shelter‚ shade‚ foods‚ fruits etc. They help our environment in many ways. They prevent soil erosion. They make our land fertile. They save us from droughts‚ floods‚ cyclones etc. If there are no trees our country will turn into desert. Different kinds of natural disasters will come. People will suffer from the shortage of food‚ shade and oxygen. A country should have at least 25% forest lands. But there are
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elements‚ they must be Hydrogen‚ Carbon‚ Nitrogen and Oxygen. These four elements make up the majority of all Biological compounds. Without them‚ life on this planet as we know it could not exist. Due to the bonding possibilities between and among these elements‚ literally millions of organic compounds are possible. Carbon is the backbone of all organic compounds. It forms the main structure of the molecule with Hydrogen‚ Nitrogen‚ Oxygen and occasionally other elements replacing Carbon or bonding
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present in the heart and skeletal muscles‚ while haemoglobin is only found in red blood cells. The function of myoglobin is to bind and release oxygen to the muscle cells‚ whereas the function of hemoglobin is to transport oxygen from the lungs to the tissues‚ and transport carbon dioxide from tissues back to the lungs. Although both molecules bind to oxygen‚ their structures differ. While looking at myoglobin’s structure‚ it is evident as consisting of one polypeptide chain‚ and within this chain
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shoe crab (book gill) Scopricans (book lung) Aquatic stage of lava (gills) Counter-current- efficient was to maximize oxygen removal from water and blood oxygen content‚ when 100% o2 in water‚ 90% goes to blood. (birds‚ humans) Concurrent- poor oxygen blood supply. when 100% of O2 in water it would only give 5% to the blood. * Countercurrents is needed because oxygen solubility is very low in water compared to in air Some Slugs breath with a hole in their shell called a pneumostome
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The human body requires many things to function. One of the most important requirements is oxygen. Oxygen is used by the entire body to make energy. The Respiratory System collects and filters the air we breath to get that precious oxygen. The respiratory(breathing) process begins when you inhale and air is taken in through the mouth and/or nose. The air flows into the pharynx(throat) and enters the trachea(windpipe). The air then flows into one of two bronchi‚ left bronchus and right bronchus.
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It does not need oxygen to occur. • What is the role of the citric acid cycle? Include the reactants and the products. Where does it occur? Citric acid occurs after glycolysis process‚ high energy electrons are produced. It occurs only when oxygen is present but does not always use it. • What is the role of the electron transport system? Include the reactants and the products. Where does it occur? Electron transportation system requires oxygen. It’s a series of
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energy available to the body. Energy is vital for us to carry out many life processes such as movement and so respiration in essential to life. During respiration glucose and oxygen are used in a reaction that produces energy and gives out carbon dioxide and water as waste products. Glucose is obtained by digestion of food and oxygen is taken from the air during a process called breathing or ventilation. Pulmonary Ventilation is the term given to the movement of air in and out of the lungs; the rate of
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The human body cells need oxygen in order to function and the respiratory system allows this to happen. Consisting of air passages‚ pulmonary vessels‚ the lungs and breathing muscles‚ it supplies fresh oxygen to the blood which can be fed to other parts of the body. The ribs‚ rib muscles and diaphragm all play a part in allowing air into and out of the lungs‚ (oxygen going into the body and carbon dioxide leaving the body). This is known as ventilation. When we breathe in we inhale and when we
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for living beings for the ones who lost homes‚ give off oxygen to life and sustain the necessary water. Concluding of the topic: So just to restate‚ I talked about three ways in which the world will benefit from us planting trees. Main Points • Planting trees will give off the necessary oxygen as it is one of the source for most living things in the planet and ingests the carbon dioxide as it poisonous to living beings that breathe in oxygen. • Dry places such as Africa or any places that can’t
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