STRUCTURE OF THE HUMAN BODY. 55 



tern ? What are the uses of the bones ? How many are there in the 

 human skeleton ? Is bone supplied with blood-vessels ? What is the 

 different density of bones owing to ? What situation do the bones 

 occupy in man ? In the Crustacea and insects ? Describe the structure 

 of the long bones 1 of the flat bones ? What is the chief use of the 

 Hat bones? What covering have the bones ? What is the structure 

 of the periosteum ? What its use ? How are the bones nourished ? 

 What effect has madder upon bones when taken internally ? What is 

 marrow ? Where is it deposited ? What its use ? At what period of 

 life is it most abundant ? What is the composition of bone. What pro- 

 portion is animal matter ? What earthy ? How are these different sub- 

 stances shown ? Are their proportions affected by age or health ? 

 What is the consequence when the earthy matter is deficient ? What 

 when the animal ? How are spinal distortions best remedied ? How 

 is bone formed ? Are all the bones formed at the time of birth? What 

 is muscular tissue ? By what property is it distinguished ? Of what 

 composed? What are fibres ? What bundles? How do the fibres 

 appear? Do all muscles possess the fibrous arrangement? To what is 

 the colour of muscle owing ? Of what colour is the muscle of fishes ? 

 Of what shape are muscles ? What is the chemical composition of 

 muscular tissue ? Does age affect the quantity of fibrin in animals ? 

 What peculiar property does muscular fibre possess ? What its use ? 

 Describe the nervous tissue. What is the neurilema ? Does nervous 

 tissue abound with blood-vessels ? What does it form ? How many 

 kinds of substance is contained in it,? What is the cineritious ? What 

 their cortical portion ? Does either- alone form any organ ? What is 

 said of the shape of the ultimate particles of matter ? 



