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Final

2011 Final Exam Review - Kuk.docx

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Department
Kinesiology & Health Science
Course
KINE 1020
Professor
Jennifer Kuk
Semester
Winter

Description
Cardiorespiratory System and Metabolism Human Respiratory system Your nose warms and moistens air Your cilia (throat) pushes foreign substances and mucous up, until the epiglottis, so I can be swallowed Components of the lower respiratory tract Extra mucous in your system is uncomfortable, that’s how you feel when you’re sick Conductive zone vs. Respiratory zone Conductive zone (no gas exchange) o Mouth/nose Trachea larnyx Bronchi  Bronchioles  Humidifies, warms and filters air Respiratory System (gas exchange) o Bronchioles Alveoli Gas Exchange between the blood and alveoli Cold air can damage alveoli in the lungs Cutting open and setting out your alveoli has the surface area of a tennis court Lung function test A machine called a spirometer which measure the volume of air that you breath in and out o Tidal volume - is the amount of air you’re inhaling and exhaling per normal breath o Total lung capacity – everything that is in your lungs (all the air) o Vital lung capacity – taking a maximal inhalation and maximum exhalation o Residual volume – once giving you maximum exhalation, there is still some air left in your lungs so your lungs don’t fully deflate then lean over and stick together which will cause more air to unstick. If somehow you get all the air out, you will die o Functional residual volume – the air that’s left over after a normal breath Lung Numbers Tidal volume – 500 ml for the average adult male and female (remember that they are the same) Total lung capacity – (6000 ml – average adult males) (4200 ml – average adult females) Minute ventilation – how much you are ventilating in a given minute How to figure it out: Minute Ventilation (rest) = Breathing Freq (breath/min) * Tidal Volume (L) = 12-15 (breath/min) * 0.5 (L) = 6.0 – 7.5 L/min *Average adult takes 12-15 breaths per minute and should have 6-7.5 L/minute of minute ventilation The Healthy Heart Top part of the hear is the atrium and bottom part is the ventricle Left side of the heart pumps blood to the body and the right side pumps blood to the lungs Atriums is the chamber of the heart where the blood returns
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