Bio Respiration

  1. Hemoglobin
    A polypeptide with iron that bind to oxygen
  2. Lungs
    • High oxygen level, -> combines with RBC 
    • High CO2 in blood -> leaves
  3. Carbon Dioxide transportation
    • COCombines with hemoglobin to create: Carbaminohemoglobin
    • CO2 with help from Carbonic Anhydrase combines with H2O to create: Carbonic Acid
  4. Carbonic Acid
    • Can be dissociated by hemoglobin to create bicarbonate ions and hydrogen
    • H2CO3 -> H+ + HCO3 -> H2O + CO2
  5. Chemo Receptors
    • Maintains and Detects changes in Gas levels and Blood pH level. 
    • -> Breathing is controlled by CO2 Levels
    • Activated by: Increased cellular respiration  and high elevations
  6. Carbonic Anhydrase
    Enzyme responsible for the conversion of carbon dioxide gas into Bicarbonate (common form of CO2 in the blood stream)
  7. Respiratory System
    • To ensure oxygen is brought to each call in the body and that carbon dioxide leaves each cell and is removed from the body. 
    • Needs:
    • -> Respiratory surface area
    • -> Moist environment
  8. Stages of respiration
    • Breathing: Involves inspiration(In) and expiration(Out)
    • External Respiration: Exchange of oxygen and carbon dioxide between the air and the blood, the lung alveoli.
    • Internal Respiration: The exchange of oxygen and carbon dioxide in the body's cell tissues and blood.
    • Cellular Respiration: Series of energy (ATP) releasing chemical reactions that take place inside of cells. The final stage of restoration provides the energy for all cellular activities.
  9. Alveoli
    Tiny air sacs in your lungs and blood that exchange oxygen and carbon dioxide during the process of breathing in and breathing out.
  10. Nasal Cavity
    Lined with ciliated cells and cells that secrete mucus to warm, moisten, and clean incoming air
  11. Breathing
    • Gas moves from areas of high pressure to low pressure.
    • - Diaphram
    • - Intercoastal muscles
  12. Daltons law of partiall pressure
    Gases move from an area of high concentration/pressure to lower concentration/ pressure
  13. Inhalation
    • Intercoastal muscles and diaphram contract
    • Rib cage moves upward and outward

    Thoratic cavity volume increases which decreases the pressure inside the cavity and air moves inwards
  14. Exhalation
    • Begins when intercoastal muscles and diaphram relax.
    • Rib cage falls back to normal position and diaphragm moves upward returning to its done shape.
    • Thoratic cavity volume decrease and air moves outwards.
  15. Gas Exchange
    Extended respiration takes place in the lungs. Gases are exchanged between the alveoli and the blood in the capillaries.

    • COncentration gradient:
    • - Moves oxygen into capillaries
    • - Moves CO out of capillaries
  16. Where does air travel?
    Nasal cavity -> Pharynx -> Epiglottis -> Larynx(voice box) -> Trachea -> Bronchus -> Bronchioli -> Alveous (alveoli)
  17. External Respiration
    • Takes place in the lungs, where gases are exchanged between alveoli and the blood in the capillaries.
    • High-> Low
Card Set
Bio Respiration