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Maintaining%20the%20Excretory%20System PowerPoint PPT Presentation
Maintaining%20the%20Excretory%20System - Hearing. Tympanic Membrane (ear drum) converts sound waves into mechanical vibrations. Ossicles (hammer, anvil, stirrup) transfer vibrations from ear drum to oval window
Hearing. Tympanic Membrane (ear drum) converts sound waves into mechanical vibrations. Ossicles (hammer, anvil, stirrup) transfer vibrations from ear drum to oval window
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The%20Excretory%20System PowerPoint PPT Presentation
The%20Excretory%20System - The Excretory System Excretion = The process by which wastes and excess substances are removed from an organism Organs of excretion are: Lungs Kidneys Liver Skin ...
The Excretory System Excretion = The process by which wastes and excess substances are removed from an organism Organs of excretion are: Lungs Kidneys Liver Skin ...
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How Many Kingdoms PowerPoint PPT Presentation
How Many Kingdoms - http://www.ucmp.berkeley.edu/phyla ... XX=hermaphrodite. XO=male. Life cycle: 3 days at 20 C ... Hermaphrodites--cannot self fertilize. Worms join head to tail ...
http://www.ucmp.berkeley.edu/phyla ... XX=hermaphrodite. XO=male. Life cycle: 3 days at 20 C ... Hermaphrodites--cannot self fertilize. Worms join head to tail ...
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