1. 1 6 (a) Overview of lymphatic vessels Left jugular trunk Left subclavian vein Right subclavian trunk Right jugular trunk Right internal jugular vein 2 3 4 Intestinal and lumber trunks 5

2. (b) Lymph drainage 8 7

3. (b) Anterior view 16 9 15 14 Small intestine 13 12 11 10 Left subclavian vein Left internal jugular vein 8 Large intestine 7 6 Right subclavian vein 5 4

4. Brachiocephalic veins Thymus Parietal pericardium Left lung Thyroid gland Trachea Right common carotid artery Superior vena cava Right lung Diaphragm (a) Thymus of adolescent

5. (a) Gross structure 2 Colic impression 3 Renal impression SUPERIOR 1 Gastric impression

6. (b) Location of immune system cells Axillary node 8 1 Palatine tonsil 2 Submandibular node 3 Cervical node 4 Thymus gland 5 Intestinal node 6 Appendix 7 Red bone marrow Spleen 9 Peyer's patches 10 Iliac node 11 Inguinal node 12

7. Red Bone Marrow 1 __________ 2 __________ 3 __________5 __________4 __________ 6 __________ 7 __________8 __________ 9 __________ 10 __________ (clone) Mature T cell

13. 4 5 6 7 1 2 3 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 Anterior view

14. 7 1 (a) Sagittal section 6 5 Sphenoidal sinus Sphenoid bone Frontal sinus Frontal bone 234 8 9

15. (b) Frontal section 11 Frontal sinus 10 12 Ethmoidal sinus 13 14 Maxillary sinus

16. (a) Pharyngeal structure 2 1 3

17. 4 11 12 13 10 5 6 7 8 9 Sagittal plane (b) Pharyngeal structure

25. (a) Anterior view (space) 3 2 1 4

26. Trachealis muscle Transverse plane Epithelial lining Trachea Lumen Esophagus

27. 1 2 3 4 5 LM (2.6x) ANTERIOR POSTERIOR (a) Transverse section of trachea and esophagus

29. 13 18 (d) Medial view of left lung 14 12 11 15 16 17 (c) Medial view of right lung

35. 12. Small intestine: Primary site of nutrient absorption

36. (c) Anterior view with liver and gallbladder lifted Stomach Duodenum 11 Descending colon Sigmoid colon Ascending colon Transverse colon Liver Gallbladder 11. Lessor omentum

37. (d) Anterior view with greater omentum lifted and small intestine reflected to right side 12 Transverse colon 13 Jejunum 14 Descending colon Ileum Sigmoid colon 12. Greater omentum 13. Mesocolon 14. Mesentery

42. Pyloric sphincter Lower esophageal sphincter Body Greater curvature Esophagus Cardia Duodenum Pylorus Pyloric canal Pyloric antrum Lesser curvature Fundus Rugae of mucosa

48. 18 (b) Hepatopancreatic ampulla Mucosa of duodenum 17 19 20