Download - Brains, Kidneys, and Hearts Oh My!
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Dissection Guide for 5th Grade
Brains, Kidneys, and Hearts Oh My!
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Comparative AnatomyWhy are we doing
this?Why pigs and
sheep parts?
Overview
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PreservativeNontoxicFormaldehyde freeMay irritate skin
GearNitrile GlovesDifferent sizes for
everyoneTools
Dissection KitSharp instruments!!
SAFETY FIRST
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Sheep heartVery muscularBefore you cut
identify exterior features first
Once inside you will be able to view the chambers and valves
Heart
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Atherosclerosis or ArteriosclerosisHarding of the arteriesIt occurs when fat, cholesterol,
and other substances build up in the walls of arteries and form hard structures called plaques.
Over time, these plaques can block the arteries and cause problems throughout the body.
Associated Human Diseases
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Heart Attack or StrokeLets see it in action
TreatmentsLifestyle changesMedicationSurgery
Angioplasty
Possible Outcomes
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Sheep BrainMost fragile of all of the organsBefore you cut identify exterior features
first Blood vessels will appear to be brown in
colorOptic chiasm
X marks the spot
Brain
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Arbor vitae found in the cerebellum. It is known for its role in motor and
sensory information that goes to and from this region of the brain, which is the center of the body’s nervous system.
Tree of Life
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InfectionsSeizures
EpilepsySeizures -- abnormal movements or behavior due
to unusual electrical activityTrauma
Injury to the brainTumors or Masses
Can be cancerous or benignVascular Diseases
Strokes
Associated Human Diseases
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Pig kidneyBefore you cut identify
exterior features firstExcretory systemInjected with latex
BlueRed
Kidney
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How the kidneys workhelp filter waste, excess fluid, and toxins from
your blood
Diseases that involve kidneysHigh blood pressureDiabetes
Function and Associated Human Diseases