wps.prenhall/wps/media/objects/1115/1141942/fig31-1.jpg
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
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p. 917 of text
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http://greatneck.k12.ny.us:16080/GNPS/SHS/dept/science/krauz/marino_bio_notes/Osteichthyes_files/image034.gif
Countercurrent Flow in Fishes
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Figure 49.17 Structure and function of the human ear p. 1091
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Muscle types• Cardiac –under involuntary control, has striations
and intercalated discs to speed up signal between muscle fibers to help all fibers contract together.
• Skeletal –under voluntary control and has striations. Attaches to bones through tendons.
• Smooth – under involuntary control/contraction, not striated and lines blood vessels and digestive organs.
•
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Figure 49.31 The structure of skeletal muscle
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Figure 49.33 One hypothesis for how myosin-actin interactions generate the force for muscle contraction (Layer 4) p. 1105 in text
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Figure 49.32 The sliding-filament model of muscle contraction p. 1104
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Figure 49.34 Hypothetical mechanism for the control of muscle contraction p. 1106
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Figure 44.21 The human excretory system at four size scales p. 962
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Figure 44.22 The nephron and collecting duct: regional functions of the transport epithelium
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p. 903
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p. 902
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Number of heart chambers in vertebrates p. 901
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p. 919
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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.
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Peristalsis occurs here – this is involuntary smooth muscle contraction to move food.
Bacteria produce vitamins
All groups of organic compounds are digested and absorbed here!
Liver MAKES bile
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• Digestive
• System