3. Lymphatic system 1-Lymph 2-Lymphatic vessels 3-Lymph nodes
(Thoracic duct, Right lymphatic duct)
3-Lymph nodes
4-Lymph tissues
(Alimentary tract, Spleen, Thymus)
5-Lymph cells (Lymphocytes)

4. Lymph nodes Head and Face 1-Occipital 2-Post. auricular
3-Ant. auricular
4-Parotid
5-Superf. facial
6-Deep facial
7-Lingual
8-Retropharyngeal

5. Lymph nodes Neck 1-Submandibular 2-Submental 3-Superf. cervical
4-Deep cervical
5-Ant. cervical

7. Name Components Function
Cranial Nerves (12)
Name Components Function
I- Olfactory n Sensory Smell
II- Optic n Sensory Vision
III- Oculomotor n. Motor Muscles of eyeball
Parasympathetic Accommodates eye
IV- Trochlear n. Motor Sup. Oblique m.
V- Trigeminal n. Sensory Skin of face, Cornea, Nose, Palate, Teeth
V1- Ophthalmic n.
V2- Maxillary n.
V3- Mandibular n Sensory - Motor Muscles of mastication
VI- Abducent n Motor Lat. rectus m.

8. Name Components Function
Cranial Nerves (12)
Name Components Function
VII- Facial n Motor Muscles of Face
Sensory ant. two third of tongue
Parasympathetic lacrimal, submandibular, sublingual glands glands of nose
VIII-Vestibulocochlear Sensory Hearing-position and movement of head
IX-Glossopharyngeal Motor Stylopharyngeus m.
Sensory Post. one-third of tongue Carotid sinus & body
Parasympathetic Parotid gland

9. Name Components Function X- Vagus n. Motor , Sensory Heart, Larynx,
Cranial Nerves (12)
Name Components Function
X- Vagus n Motor , Sensory Heart, Larynx,
Parasympathetic Trachea, Bronchi, Lung, Liver, kidney
Alimentary tract,
Pancreas
XI-Accessory n. Motor Muscles of soft palate Pharynx, Larynx SCM, Trapezius
XII-Hypoglossal n. Motor Muscles of tongue