Fetal Pig Dissection Lab

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Our Classes final lab was a pig dissection.

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Fetal Pig Dissection Lab

  1. 1. By: KellySchweyer<br />Fetal Pig Dissection Lab<br />
  2. 2. Our fetal pig was a female because it had a urethral opening, vaginal orifice, and an anus. <br /> -The urethral opening excretes urine and the vaginal orifice is the opening of the birth canal. <br />The pig did have a little hair around its body. <br />We measured the pig <br /> Length: 37cm<br /> Width: 28cm<br />External Anatomy<br />
  3. 3. Oral Cavity<br />The pigs mouth had teeth appearing that were like little spikes , they are located on the hard and soft palate. <br />We cut through the bone of the jaw . In here we found the pharynx which is the passage <br /> for food heading to the esophagus. <br />Here we also discovered the epiglottis<br /> (a flap at the top of the trachea ), <br />and the esophageal opening. <br />Internal Anatomy<br />
  4. 4. To find the digestive system we had to cut through the thoracic cavity which was difficult to lots of bone.<br />We were able to make a clean cut without injuring the kidneys and then cut back the diaphragm. <br />Digestive System<br />This picture shows the cut through the thoracic cavity and the diaphragm cut.<br />
  5. 5. In the digestive system we found the…<br />Liver- which processes and cleans our blood<br />Gall Bladder- concentrates bile produced by the liver and aids in fat digestion. <br />Stomach- where food is churned and made into chyme.<br />Small Intestine- absorption of food and chemical digestion takes place.<br />Large Intestine- where the waste foods are processed and made into faeces <br />Rectum- faeces are released.<br />Pancreas- produces hormones like insulin and glucagon.<br />Digestive Continued…..<br />
  6. 6. A Close Up of All The Organs We Took Out<br />Lungs ><br />< Heart<br />Liver><br /><Pancreas<br />< Stomach<br />< Large and Small Intestines <br />
  7. 7. Heart-pumping blood through the blood vessels<br />The Heart is composed of 4 chambers. <br />Circulatory System<br />Heart<br />The Heart split longitudinal which shows the 2 atria and 2 ventricles.<br />
  8. 8. Pictures<br />Liver ><br />Intestines <br />
  9. 9. The circulatory consists of the heart, arteries, veins, and capillaries. <br />The Respritory System is responsible for the exchange of gasses.<br />Circulatory & Respritory System<br />
  10. 10. Is the urinary system<br />Female Reproductive System: <br /><ul><li>We located the ovaries , fallopian tubes, cervix and vagina.
  11. 11. Male Reproductive System:
  12. 12. In the male pig you will find the vas deferens, the scrotal sac and the testis. </li></ul> Kidney’s <br /> Ovaries -><br />Urogenital System<br />
  13. 13. The Brain<br /> The picture below is a fetal pigs brain. It is another groups pig however our group took the picture because the brain is a very important part of our body. The brain sends signals which in turn helps the pigs body function. <br />
  14. 14. Things we learned while dissecting pigs….<br />They have injected paints and formaldehyde to help slow down the decaying.<br />Pigs have basically the same body parts as humans and other mammals.<br />These pigs were unborn fetuses. <br />General Information<br />

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