warmup : october 29, 2013
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Warmup : October 29, 2013. Is breathing the same as respiration? Why or why not?. The words breathing and respiration are often used to mean the same thing. However, breathing is only one part of respiration. Respiration is the way the body gains and uses oxygen and gets rid of carbon dioxide. - PowerPoint PPT PresentationTRANSCRIPT
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Warmup: November 13, 2014
Is breathing the same as respiration? Why or why not?
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The words breathing and respiration are often used to mean the same thing. However, breathing is only one part of respiration. Respiration is the way the body gains and uses oxygen and gets rid of carbon dioxide.
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Answers from homework…1. Lymph collects pathogens and dead cellsfrom body tissues. Lymphocytes in the lymph nodes, tonsils, and spleen attack and mark pathogens for destruction.2. Plasma is pushed out of capillaries.Lymph capillaries absorb lymph.Lymph capillaries carry lymph to lymphaticvessels.Lymphatic vessels deliver lymph to veins in the neck
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Answers continued…
3. blood plasma, dead cells, pathogens4. Lymph tissue must be spread out to collect fluid from all areas of the body.
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The Respiratory SystemGroup of organs and structures that take
in oxygen and release carbon dioxide
NoseThroatLungsPassageways to lungs
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Steps Air Flows to Lungs:
1. Air enters nose or mouth
2. Flows through pharynx (throat) 2 tubes, the esophagus leads to stomach and the other leads to lungs
3. Flows past larynx (vocal cords)
4. Trachea (windpipe)
5. Then, trachea splits into two branches called bronchi
6. Bronchus branches into smaller tubes called bronchioles
7. Bronchioles branches to form tiny sacs called alveoli in the lungs
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Producing SoundMuscles connected to the larynx control how much the vocal cords are stretched. When air flows between the vocal cords, the cords vibrate….these vibrations make sound.
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How Do You Breathe?Lungs have no musclesDiaphragm is dome-shaped muscle under lungs that contracts (moves down) when you inhale
Rib cage lifts upExhaling is opposite (diaphragm and rib muscles relax)
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Respiratory DisordersHave trouble getting oxygen making them feel tiredProblems getting rid of carbon dioxide; therefore,
building up in body and making them sickExamples:
Asthma-causes bronchioles to narrowEmphysema-alveoli are damagedSevere Acute Respiratory Syndrome (SARS)-
caused by a virus
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Warmup 10/30 Write the following words next to the number it describes:
nose, pharynx, larynx, trachea, bronchi1. Two Y-shaped tubes that go into the lungs.2. A tube that holds the vocal cords.3. A tube that connects the vocal cord area to the Y-shaped
tubes that go into the lungs4. One of the main ways air enters and leaves the body.5. A tube that carries both air and food into the body.
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Warmup 10/30 Write the following words next to the number it describes:
nose, pharynx, larynx, trachea, bronchi1. Two Y-shaped tubes that go into the lungs. bronchi2. A tube that holds the vocal cords. larynx3. A tube that connects the vocal cord area to the Y-shaped
tubes that go into the lungs. trachea4. One of the main ways air enters and leaves the body. nose5. A tube that carries both air and food into the body. pharynx