Where is the food taken after it has been absorbed?
What are the lacteals?
What is the thoracic duct?
CHAPTER IX.

BAD HABITS IN EATING .-- What is indigestion?
Mention some of the causes of indigestion.

How does eating too fast cause indigestion?
Eating too much?
too frequently?
Irregularly?
when tired?
How do tea and coffee impair digestion?
Why is it harmful to use iced foods and drinks?
Why should we not eat pepper and other hot and irritating things?
How should the teeth be cared for?
How does tobacco-using affect the stomach?
What dreadful disease is sometimes caused by tobacco?
How does alcohol affect the gastric juice?
the stomach?
the liver?
CHAPTER X.A DROP OF BLOOD .-- What does the blood contain?
How many kinds of blood corpuscles are there?
What work is done for the body by each kind of corpuscles?
CHAPTER XI.

WHY THE HEART BEATS .-- Where is the heart?
Why does the heart beat?
How many chambers has the heart?
What are the blood-vessels?
How many kinds of blood-vessels are there?
Name them.
What is the difference between venous blood and arterial blood?
What change occurs in the blood in the lungs?
What is the pulse?
How much work does the heart do every twenty-four hours?
What are the lymphatics?
What do they contain, and what is their purpose?
What are lymphatic glands?
CHAPTER XII.

HOW TO KEEP THE HEART AND BLOOD HEALTHY .-- Name some things likely to injure the heart or the blood.