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Consolidated Air Lab Report

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There are different amounts of Oxygen and Carbon Dioxide in the air when we inhale and exhale caused by the body’s systems that naturally extract oxygen from inhaled air to provide for the human body. All living things are either single-celled or multicellular. (Scientific Principle 2) According to Scientific Principle 3, Multicellular organisms, such as the human body, are organized into systems that perform different functions. The respiratory system performs a function of inhaling and exhaling air to benefit the body. When we inhale, we breathe in air which contains Carbon dioxide, Oxygen, Argon, Nitrogen, and other gases. The air travels through your nose or mouth and goes through the pharynx. The air then goes down the trachea and into the bronchial tubes. The air then gets passed into the alveoli into the …show more content…

The amount of Oxygen in the exhaled air is less than the amount of Oxygen in the inhaled air. This is can be proven through lab testing. In Activity 6.1, we used a candle to determine the amount of Oxygen in inhaled and exhaled air. This is because fire needs three things to be present: fuel, heat source, and oxygen. According to Scientific Principle 5, fire needs Oxygen to burn. Therefore, the more Oxygen in the air, the longer the candle will burn. Under a beaker with inhaled air, the candle burned 2.3 seconds longer than under a beaker with exhaled air. This proves that there is more Oxygen in inhaled air than exhaled air. Also, there is more Carbon dioxide in exhaled air than in inhaled air. That can be proven by a lab performed. In Activity 6.1, we performed a breathing test with bromothymol blue solution, an indicator for Carbon dioxide. (BTB) In room air, or inhaled air, the bromothymol blue was a dark green color. However, when under exhaled air, the BTB solution turned a bright yellow, indicating a drastic increase in the amount of Carbon dioxide in the

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And from where does C02 come? As we know gas exchange is typically dependent on the balance between ventilation and pulmonary perfusion, this balance can very well be effected by factors as gravity, body position, physical property of the lung, and neurological as well as humoral factors, The CO2 in our body is produced by Glucose that we take into our bodies through food. The food we eat then has carbon that in our body mix’s with Oxygen that we take in with every breath of fresh air in a process

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At the end of each bronchiole is alveoli. Alveoli are tiny sacs which allow oxygen and carbon dioxide to move between the lungs and bloodstream.

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Let me start that with any diving gas that has more than 20+ oxygen by volume is considered (Nitrox) enriched air. A diver cannot dive with pure oxygen its toxic to a diver in depth. So they have to mix it with nitrox and oxygen by volume. 50% mix stops to help rid the body of absorbed nitrogen a little quicker than normal.

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In the respiratory system there are three vital components to the system; the passage for the airway, the lungs, and muscles for respiration. The function of the system is to provide oxygen to the cells of the body and removing carbon dioxide. The anatomy of the respiratory airway is composed of the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles. The physiology of those organs is to transport the oxygen to the two lungs and the outer part of the body.

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Research question How does the aerobic and anaerobic sports affect the amount of human breathing? Introduction Breathing is the act of a person or other animal that breathes, as we called respiration. When we are exercising aerobic sports, your muscles consume more oxygen and produce more carbon dioxide than we do anaerobic sports. These gases are exchanged with the atmosphere when you breathe. This means that during an aerobic exercise session, you must breathe more and when this overload is encountered on a regular basis, the way you breathe is altered.

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The heart may have the sinoatrial node (SA node) to trigger contraction, but in order for us to breath our nervous system has to signal for us to begin the process of ventilation (breathing). Our brain stem has three parts to it, but only the pons and medulla oblongata play a key role in breathing. The medulla helps set the respiratory rhythm by receiving and sending impulses to a bundle of neurons called the ventral respiratory group to the phrenic nerve to bring about contraction in the diaphragm and external intercostal muscles. All this only happens though due to the sensors of the chemoreceptors. The chemoreceptors located in the medulla and carotid and aortic bodies detect a rise in carbon dioxide (CO2).

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This means that the majority of oxygen is bound to hemoglobin. On the other hand, adults with respiratory and cardiac problems tend to have lower oxygen saturation level. Therefore, Haymond (2006) stated that oxygen saturation- the percentage of hemoglobin bounded to oxygen- is a clear indicator of a person’s cardio-respiratory status expressed as SpO2. Figure 1: Oxygen Absorption in the Blood (Timmings, 2014)

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This is known as hypoxic ventilator response. The respiratory centre is triggered in the cerebral pons and medulla in response to the peripheral chemoreceptors and the signals are then passed onto the diaphragm, intercostal muscles and stretch receptors of the lungs. As the ventilation increases the arterial partial pressure of CO2(PaCO2) drops in proportion with the increase in ventilation as more CO2 is removed from the blood while at the same time the alveolar and thus PaO2 will increase as more oxygen enters the lungs. The drop in PaCO2 results in the diminished

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The primary function of the respiratory system is gas exchange, which consists of movement of oxygen into the body and removal of carbon dioxide. To achieve this goal, respiration can be divided and four major functions. First of all, we have pulmonary ventilation, which means the inflow and outflow of air between the atmosphere and the lung alveoli; second, the diffusion of oxygen and carbon dioxide occurs between the alveoli and the blood; after this, these gases are transported in the blood and body fluids to and from the tissue cells. Finally, all these steps are controlled and regulated by respiratory center and receptors. (GUYTON, A.C.; HALL, J.E. 2006)

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The respiratory system provides oxygen to the body’s cells while eliminating carbon dioxide, a waste product that can be lethal if allowed to accumulate. The respiratory system is divided into two parts: Upper respiratory tract - This includes the nostrils, mouth, and the beginning of the trachea (the section that takes air in and lets it out). Lower respiratory tract - This includes the trachea, the bronchi, bronchioli and the lungs (the act of breathing takes place in this part of the system).

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