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http://wps.prenhall.com/wps/media/objects/1115/1141942/fig31-1.jpg. Countercurrent Flow in Fishes. http://greatneck.k12.ny.us:16080/GNPS/SHS/dept/science/krauz/marino_bio_notes/Osteichthyes_files/image034.gif. Figure 49.17 Structure and function of the human ear.
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http://wps.prenhall.com/wps/media/objects/1115/1141942/fig31-1.jpghttp://wps.prenhall.com/wps/media/objects/1115/1141942/fig31-1.jpg
Countercurrent Flow in Fishes http://greatneck.k12.ny.us:16080/GNPS/SHS/dept/science/krauz/marino_bio_notes/Osteichthyes_files/image034.gif
Figure 49.33 One hypothesis for how myosin-actin interactions generate the force for muscle contraction (Layer 4)
Figure 49.32 The sliding-filament model of muscle contraction
Figure 49.34 Hypothetical mechanism for the control of muscle contraction
Figure 44.22 The nephron and collecting duct: regional functions of the transport epithelium
Respiratory system in vertebrates • Alveoli – increase SA for gas exchange • Most carbon dioxide is transported as bicarbonate (HCO3-) • You take a breath by responding to HIGH carbon dioxide levels that results in low blood pH. The “breathing center”of your brain that responds to this is in the medulla.
Digestive • System