546 APPENDIX 



2. Endocrine glands and hormones ; secretin, pancreatic 

 hormone; secretions of thyroid, adrenal, and pituitary 

 glands. 

 (g) Excretion. 



1. Formation of principal waste products; carbon dioxide, 

 water, urea, uric acid. 



2. Organs of excretion. 



3. Hygiene of excretion. 



(h) Summary of metabolism of carbohydrates, fats, and proteins. 



3. Parasitism, saprophytism, and symbiosis. 



(a) Definitions and examples; omit all detailed study, except 



as included under bacteria and malarial parasite. 



(b) Life history and importance to mankind of one parasite ; 



malarial organism suggested. 



(c) Effect of parasitism on host and on parasite. 



4. Comparative study of different types of nutrition. 



III. IRRITABILITY 



1 . A function of protoplasm ; illustrated in protozoa. 



2. Tropisms in plants; geotropism, hydro tropism, photo tropism ; 

 demonstrate, unless covered in elementary biology. 



3. Irritability in man. 



(a) General structure and functions of the nervous system ; 

 emphasis on function. 



1. Central nervous system. 



a. Brain ; including cerebrum, cerebellum, medulla, 

 and their general functions. 



b. Spinal cord and its general functions. 



c. Nerves, cranial and spinal ; omit names of individual 

 nerves. 



2. Autonomic system. 



3. Neurons, cranial and spinal ; omit names of individual 

 nerves. 



(b) The types of nervous reactions. 



1. Inborn automatic activities; reflex actions and the 

 reflex arc. 



