Human Respiratory and Cardiac Systems Essay
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Added on 2020-07-23
Human Respiratory and Cardiac Systems Essay
Added on 2020-07-23
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Human Respiratory and Cardiac Systems
TABLE OF CONTENTSTASK 1............................................................................................................................................11.1 Respiratory system and its relationship with ventilation..................................................11.2 Condition for gas-exchange..............................................................................................2TASK 2............................................................................................................................................32.1 Components and function of plasma................................................................................32.2 Structure and function of red-blood-cells (RBC).............................................................42.3 Explain exchange of gases in blood.................................................................................5TASK 3............................................................................................................................................63.1 Describe structure and functioning of arteries, veins and capillaries...............................63.2 Explain heart-structure and cardiac cycle.........................................................................73.3 What is electrical activity of heart during heart-beat.......................................................83.4 Calculate cardiac-output and explain its importance........................................................8TASK 4............................................................................................................................................94.1 Mechanisms for regulating ventilation and pulse rates....................................................94.2 Processes for redistributing blood during exercise...........................................................9TASK 5............................................................................................................................................95.1 How changes in artery structure relates to circulatory disease.........................................95.2 Explain relationship among diet, blood- pressure, blood-cholesterol and circulatory-disease...................................................................................................................................10TASK 6..........................................................................................................................................106.1 Explain relationship........................................................................................................106.2 Explain smoking-effects.................................................................................................10REFERENCES..............................................................................................................................12
ILLUSTRATION INDEXIllustration 1: Respiratory system....................................................................................................1Illustration 2: Condition for gas-exchange......................................................................................3Illustration 3: Plasma Components..................................................................................................4Illustration 4: Blood cell..................................................................................................................5Illustration 5: Gas exchange process................................................................................................6Illustration 6: Artery, vein and capillaries.......................................................................................7
TASK 11.1 Respiratory system and its relationship with ventilation.Respiratory system consists of 9-main parts starting from nose. It has Pharynx, Larynx,Trachea, Bronchi, Bronchioles, Alveoli, Lungs and Diaphragm (Xing and et. al., 2016). Illustration 1: Human respiratory system(Sources: The Human Respiratory System,2014)Nose has two separated air passages known as nostrils. It is made-up of cartilage, fatty-tissues and bone. Cilia, the tiny hair that are present in nose lining which assist keeping mucustowards nose exit (Meili and et. al., 2016). Mucus is secreted by Goblet cells in the lining of thenose. It is main part of respiratory system. Pharynx is part of throat, made of fibromuscular tube extended from skull-base tocricoid cartilage.Larynx is connecting part of pharynx and trachea also known as voice box as it producesthe vocal sound. Its function is to allow the air to be directed so that gas-exchange can be madepossible into the respiratory organs.Trachea is long elastic tissues that are supported by C shaped rings cartilage. Its length is12-13 cm and 2.5 cm wide and helps in air flow.1
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