occurs when the ventricles are relaxed; the lowest pressure against the walls of an artery

occurs when the ventricles are relaxed; the lowest pressure against the walls of an artery
Allows air to pass to and from lungs
Air passageway; has cartilage rings to help keep the air passage open as air rushes in; branches into right/left bronchus
The respiratory process begins when air is inhaled through the nose and into the what? → BACTERIATrue/False

  • -produces a response e.g.muscle contracts to move hand away from stimulus or gland squeezes and releases hormone into blood. → EFFECTORSTrue/False
  • Def A,B in blood
    macromolecules are foriegn to host organism and trigger an immune response → NEUROTRANSMITTERTrue/False


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the brain and spinal cord → oxegen transported in bloodTrue/False

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