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Oxygen: An Essential Resource

Oxygen and respiratory system
by

Libby Bowyer

on 5 February 2013

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Transcript of Oxygen: An Essential Resource

Oxygen: An Essential Resource Angie, Gerardo, Libby, Nekia, Nikea, and Ramon Vocab/Assessment Experiments Lung Capacity/Oxygen Absorption Spirometer/Oxygen Sensor Respiratory Careers Application Explanation Interpretation Key Terms Q & A: One, Two, Three, and Four Q & A: Nine, Ten, Eleven, and Twelve Q & A: Five, Six, Seven, and Eight Essential Questions Q1. Why do we need oxygen?
A1. Oxygen makes Adenosine Triphosphate (ATP) which is the cells energy molecule. Oxygen helps make energy.
Q2. How do we breathe?
A2. When we breathe in, our diaphragm contracts downward. This makes a vacuum effect that sucks the air in. When we breathe out, our diaphragm relaxes upward and pushes on the lungs.
Q3. How does the oxygen we inhale get to all our cells?
A3. The alveoli (air sacs) are surrounded by capillaries. The air goes through the walls of the alveoli and go onto the hemoglobin of the blood cells. The blood travels through the body.
Q4. How much air do we normally breathe in and out?
A4. At rest or tidal volume, we breathe about 500 m/L or 1/2 liter of air. Q5. How much air can our lungs actually hold?
A5. Our total lung capacity is six liters of air.
Q6. How do we measure lung capacity?
A6. Lung capacity is measured using a spirometer which graphs the inhalation and exhalation. From the graph, we use the delta y for some of the volumes and the rest we use equations.
Q7. How efficient are our lungs at capturing oxygen from the air?
A7. Our lungs are fairly efficient at capturing oxygen. When at rest, such as while we're sleeping, we take in more oxygen.
Q8. Why might some people be more efficient at capturing oxygen than others?
A8. Some people aren't as efficient at capturing oxygen because of their health or lifestyle. Q9. How do we measure oxygen capture?
A9. Oxygen capture is measured by spirometers, oxygen sensors and captured electrons.
Q10. What are examples of diseases or medical conditions that would affect breathing and/or oxygen capture?
A10. Some examples of diseases or medical conditions that affect breathing are asthma, pneumonia and emphyzema.
Q11. How does a respiratory therapist assist patients with ventilation and utilization of oxygen?
A11. Respiratory therapists use ventilators to find the patient's heart rate, oxygen saturation, blood pressure, and respiratory rate. They take chest x-rays and draw blood. This information helps the therapist treat the patient's lung issues.
Q12. What are the components of an effective resume?
A12. The components of an effective resume are the name of the subject, their skills, their education, their contact information, their honors and activities. The resume must be typed, 10-12 point font, and be on 8.5" by 11" paper. 1. Students will describe the structure of the respiratory system, especially the lungs, and the basic mechanics of breathing.

2. Students will explain how the structure of the lungs facilitates the exchange of oxygen and carbon dioxide between air and the body.

3. Students will explain how the close connection between the respiratory and cardiovascular systems facilitates the transport of oxygen to all cells in the body. 1. Students will interpret data charts and graphs to determine tidal volume, inspiratory reserve volume, expiratory reserve volume, and vital capacity.

2. Students will interpret data charts to determine the amount of oxygen absorbed by the lungs at rest and after exercise. 1. Students will apply their knowledge of lung structure and breathing mechanics to determine the effect on oxygen transport of various diseases and medical condition, including rib injuries, lung fibrosis, asthma, and anemia.

2. Students will apply their knowledge of the field of respiratory therapy to create a resume for a fictional respiratory therapist. The objective of 3.3.2 is to see how much oxygen healthy people breathe in while breathing normally. This experiment also measures how much air the subjects' lungs can hold. The objective of 3.3.3 was to see how much oxygen people take in when at rest and after exercise. This experiment tested both healthy and unhealthy respiratory test subjects. The objective of 3.3.4 was to research and create a resume for a respiratory therapist, a vital doctor in respiratory health, especially for those with major lung issues. Credits https://docs.google.com/a/dubsmith.org/spreadsheet/ccc?key=0AhjAJkq2T4yDdHhFZWlFN1FvTXo0Wk1HVFBna2xCNnc#gid=0 Abdominal Cavity: The thoracic cavity region of the human body.
Alveoli: Air sacs within the lungs that allow gas exchange through the lungs.
Bronchi: Breathing tubes that travel from the trachea into the lungs.
Diaphragm: The muscle that contracts and expands to make us breath.
Intercostal Muscle: Muscle located between the ribs.
Minute Volume: The volume of air breathed in one minute without concious effort. Minute Volume=Tidal Volume x(breaths/minute).
Residual Volume: The volume of the air still in the lungs after a big exhalation.
Resume: Written account based on personal, educational, and professional qualifications/experiences that are used to apply for a specific job
Spirometer: An instrument that measures the inhaled/exhaled air dispensed by one subject
Thoracic Cavity: Major cavity in mammals that provides shelter to the heart and lungs. Surrounded by ribs and is seperated from the abdominal cavity by the diaphragm
Tidal Volume: The volume of air breathed in out unconciously.
Vital Capacity: Total volume of air that can be exhaled after maximum inhalation. http://www.ama-assn.org/ama/pub/physician-resources/patient-education-materials/atlas-of-human-body/respiratory-system-structure.page

http://www.webmd.com/lung/how-we-breathe

http://www.google.com/url?q=http%3A%2F%2Ffaculty.stcc.edu%2FAandP%2FAP%2FAP2pages%2FUnits21to23%2Frespiration%2Fvolumes.htm&sa=D&sntz=1&usg=AFQjCNHqwoUFpuT8z9KXXMawocTrZbtpXg

http://www.google.com/url?q=http%3A%2F%2Fwiki.answers.com%2FQ%2FHow_do_the_circulatory_and_respiratory_systems_work_together&sa=D&sntz=1&usg=AFQjCNFWwgCfSgzLlZHLzEqVBS9bn13Wvg

http://www.tacomacc.edu/UserFiles/Servers/Server_6/File/academics/healthjusticeandhumanservicesdivision/RC_Virtual_Information_Session/RC_Info_Session/RC_Info_Session_print.html

http://en.wikipedia.org/wiki/Oxygen

http://www.medicinenet.com/asthma/page4.htm https://docs.google.com/a/dubsmith.org/document/d/1jF71p6Wqd8S0GRsWtWdDZfDz_tsy0Zy0eNtD9k3ccnk/edit https://docs.google.com/a/dubsmith.org/document/d/1GC8BAAg9evMRFx5zxQxGSAjo9psCIJtcN_gyrY2cdjY/edit
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