18 ELEMENTARY PHYSIOLOGY. 



The upper maxillary? Lower maxillary? 



What is meant by the trunk? 



Where is the spinal column? 



Why is it built so strong? 



How is it made, elastic or springy? 



What benefit in this arrangement? 



How many vertebrae in the back-bone? 



How many of these are in the neck? 



How many have ribs attached to them? 



How many are in the loins? 



What bones make the frame of the chest? 



Are the ribs united directly to the sternum? 



Is the sternum as hard as other bones? 



What benefit in these arrangements? 



How is the lower part of the skeleton of the trunk shaped? 



What is it called? 



What three bones come together at the shoulder? 



What two in the forearm? 



How many in the wrist? 



How many in the middle of the hand? 



In each finger? 



In each thumb? 



Which is the longest bone in the skeleton? 



What two bones in the lower leg? 



How many heel bones in each foot? 



Why is the foot arched instead of flat? 



