Growing, Breathing, and Other Things 
by a long, tube-shaped heart, which 
is situated in the upper part of the 
abdomen. _ 
The Spinner’s digestive system is as 
simple as its heart, consisting chiefly 
of a stomach and intestine. ‘The food, 
you remember, is reduced to a liquid 
state before it is taken into the mouth. 
So all that is necessary is to mix: it 
with juices in the stomach, which 
makes it fit to be taken into the blood 
and carried to all the i of the 
body. | 
All spiders are fond of water as well 
as of solid food. If you keep one in 
captivity a while you will see how 
eagerly she sucks up the water that 
you scatter in her cage. Out of doors 
you will find the spiders in the early 
morning drinking the drops of dew. 

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