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Questions to hand in External anatomy 1. Does the fetal pig have teeth? Are humans born with teeth? 2. What is the gender of your pig? 3. How many toes does your pig have? Front: Back: 4. Gestation for the fetal pig is 112-115 days. The length of the pig can give you a rough estimate of its age. 11mm- 21 days 17mm – 35 days 2.8 cm – 49 days 4 cm – 56 days 22 cm – 100 days 30 cm- birth What is the approximate age of your pig? 5. Observe the toes on your pig. How many toes are on the feet? _____________________ Do they have an odd or even number of toes? _________________________________ 6. Do you think pigs are born with their eyes open or shut? Internal Anatomy 7. The muscle divided the thoracic and abdominal cavities and is located near the ribcage is called the . It aids in . 8. The liver is the largest organ in the body. The liver is responsible for 9. The greenish organ located underneath the liver is called the stores and sends it to the the bile duct 10. What organ does the stomach lead to? 11. The pancreas makes uptake of sugars in blood. 12. which is necessary for proper Identify the following structures 1. _____ Stores bile, lies underneath the liver. . It via 2. ___________ A branch of the large intestine, a dead end. 3. ________ Membrane that holds the coils of the small intestine. 4. ________ The straight part of the small intestine just after the stomach. 5. _______ ________ Empties bile into the duodenum from the gall bladder. 6. _______ The last stretch of the large intestine before it exits at the anus. 7. _______ Bumpy structure under the stomach; makes insulin 8. _______ Lies between the two umbilical vessels. 13. Identify the structures on the diagram. 1. _____ 2. _____ 3. _____ 5. ____ 7. ____ 8. 11. ___ 12. ___ 13. ___ 14. Identify by number: Aorta ____ Dorsal Aorta ___ Pulmonary Trunk __ Common carotid _ Left & Right Carotid ___ Coronary vessels __ Right Atrium ____ Ventricle ___ Left Atrium ___ Intercostal _____ Identify the structure. 1. ______ heart. 2. ____ lungs 3. ___ 4. ___ 5. ____ _______ Blood supply to lower body 6. ____ _______ Muscle to aid breathing 7. ____ _______ Returns blood to heart 8. ____ 9. ____ 10. ___ Large vessel at top of heart ______ Used to make noises Arteries on heart surface. _______ Membrane over the _______ Airway from mouth to _______ Blood supply to head _ Lower heart chambers Fetal Pig Lab Practical- You need to be able to identify the following structures Digestive System Male Reproductive System Tongue Salivary Glands Pharynx Papillae (taste buds) Soft palate Hard palate Esophagus Liver Small Intestine Large Intestine (colon) Cecum Gall bladder Bile duct Pancreas Mesentery Rectum Anus Scrotal sacs Testis Penis Respiratory Miscellaneous Diaphragm Trachea Cartilaginous rings Bronchial tubes Larynx Lungs Thyroid Spleen Masseter Muscle Nipples Female Reproductive System Ovaries Fallopian tubes Uterus Circulatory System and Heart Atria Ventricles Pericardium Coronary Arteries Anterior and Posterior Vena Cava Pulmonary Artery Umbilical Vessels Urogenital (Reproductive + Excretory) Kidneys Urinary bladder Urethra