1. side view Dissection of the Fetal Pig (Sus scrofa) place where latex paint was injected into the jugular vein and the carotid artery 1.umbilical cord- Connection to placenta

2. peritoneum/umb arts/liver peritoneum (smooth inner lining of abdominal cavity) umbilical arteries 2.liver- produces bile, etc

3. liver/spleen/stomach separate lobes of the liver 3. spleen- Breaks down old rbc’s stomach

4. intestine sm/lge 4. small intestine- Digests and absorbs nutrients 5. large intestine- Re-absorbs water and compacts feces

5. gall bladder 6. gall bladder- Stores bile (fat detergent) bile duct (to duodenum)

6. bile duct (closeup) gall bladder bile duct

7. stomach/duodenum/spleen 7.stomach- Begins protein digestion duodenum spleen

8. pyloric sphincter/bile duct 8. pyloric sphincter (=valve) Controls flow of chime into duodenum bile duct (to duodenum) 9. Pancreas- Secretes enzymes And makes insulin

9. pancreas duodenum stomach spleen

10. rectum 10. rectum– Feces stored before being expelled

11. abdominal aorta (zoom) 12. inferior vena cava- Returns blood to heart from lower extremities 11. aorta- Biggest artery of body

12. kidneys 13. kidneys- Filter wastes (urea) from blood ureter (tube to urinary bladder)

13. diaphragm 14. Diaphragm- Separates chest cavity from abdomen. Main muscle of respiration.

14. larynx trachea (=windpipe)

15. trachea 16. trachea- “windpipe” Allows O2 and CO2 to move from throat to lungs

16. lungs right lungleft lung 17. lungs- Bring oxygen into bloodstream, Excrete CO2 into air

17. pericardial sac 18. heart- Pumps blood through blood vessels pericardial sac (encloses the heart)

18. heart ventricles 19. right ventricle (pumps blood to lungs) 20. left ventricle (pumps blood to the entire body – except the lungs)

19. right atrium 21. right atrium (receives de- oxygenated blood from the body)

20. left atrium 22. left atrium (receives oxygenated blood from the lungs)

21. pulmonary artery 23. pulmonary artery (sends de-oxygenated blood to the lungs) right atrium left atrium

22. aorta 24. aorta (sends oxygenated blood to the entire body under high pressure) pulmonary artery right lung coronary artery