THE VERTEBRATE BODY 



357 



duction, so the person usually has no trouble keeping warm. People 

 with this condition may be perspiring in a room that is chilly to others. 

 They burn more food than the average person so they usually have a 



Pituitary 



Parathyroids 

 Thyroids 



Adrenal 

 Pancreas 



Ovary 



Fig. 24.7. Diagram showing the location of the endocrine glands in the body of a 



woman. They are the same in a man except the testes are found instead of the ovaries 



and they are suspended in the scrotum outside the body cavity. 



ravenous appetite, yet this extra food is burned, not stored, and they do 

 not gain weight readily and often are underweight. Because of the high 

 rate of metabolism the nerve cells are highly sensitive and such people 

 may be nervous and excitable with an accelerated heart beat. Persons 

 with hyperthyroidism may be relieved of these symptoms by the surgical 

 removal of a part of the overactive thyroid gland, or by destruction of 

 part of its cells through the use of X-rays. 



