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Brains, Kidneys, and Hearts Oh My!. Dissection Guide for 5 th Grade. Overview. Comparative Anatomy Why are we doing this? Why pigs and sheep parts?. SAFETY FIRST. Preservative Nontoxic Formaldehyde free May irritate skin Gear Nitrile Gloves Different sizes for everyone Tools
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Brains, Kidneys, and Hearts Oh My! Dissection Guide for 5th Grade
Overview • Comparative Anatomy • Why are we doing this? • Why pigs and sheep parts?
SAFETY FIRST Preservative • Nontoxic • Formaldehyde free • May irritate skin Gear • Nitrile Gloves • Different sizes for everyone Tools • Dissection Kit • Sharp instruments!!
Heart • Sheep heart • Very muscular • Before you cut identify exterior features first • Once inside you will be able to view the chambers and valves
Associated Human Diseases • Atherosclerosis or Arteriosclerosis • Harding of the arteries • It 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.
Possible Outcomes • Heart Attack or Stroke • Lets see it in action • Treatments • Lifestyle changes • Medication • Surgery • Angioplasty
Brain • Sheep Brain • Most fragile of all of the organs • Before you cut identify exterior features first • Blood vessels will appear to be brown in color • Optic chiasm • X marks the spot
Tree of Life • 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.
Associated Human Diseases • Infections • Seizures • Epilepsy • Seizures -- abnormal movements or behavior due to unusual electrical activity • Trauma • Injury to the brain • Tumors or Masses • Can be cancerous or benign • Vascular Diseases • Strokes
Kidney • Pig kidney • Before you cut identify exterior features first • Excretory system • Injected with latex • Blue • Red
Function and Associated Human Diseases How the kidneys work • help filter waste, excess fluid, and toxins from your blood • Diseases that involve kidneys • High blood pressure • Diabetes