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. 



(6) 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, hydrotropism, phototropism ; 

 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. 

 6. Spinal cord and its general functions, 

 c. Nerves, cranial and spinal ; omit names of indi\idual 



nerves. 



2. Autonomic system. 



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

 nerves. 



(6) The types of nervous reactions. 



1. Inborn automatic activities; reflex actions and the 

 reflex arc. 



