Object Lessons on the Human Body eBook

This eBook from the Gutenberg Project consists of approximately 99 pages of information about Object Lessons on the Human Body.

Of what color is the iris?—­“Sometimes blue, sometimes brown, sometimes gray.”

Does the iris always appear the same in size?—­“It does not:  sometimes it looks large, sometimes small.”

When is it the largest?—­“When it rolls over the pupil to keep out the strong light.”

When is it the smallest?—­“When it rolls backward, to let light into the pupil.”

When is the pupil the largest?—­“When we are in the dark.”

When is the pupil the smallest?—­“When we are in a bright light.”

What color is the eyeball?—­“White.”

What shape is the eyeball?—­“Round like a ball.”

How is the eyeball held in its socket?—­“By cords made of flesh.”

Where are the eyebrows?—­“Above the eyelids.”

Of what use are the eyebrows?—­“To keep the perspiration from rolling into the eyes.”

Where are the eyelids?—­“Over the eyes.”

Of what use are they?—­“They cover the eyes and keep them from getting hurt.”

Where are the eyelashes?—­“On the edges of the eyelids.”

Of what use are the tears?—­“They keep the eyes clean; they make the eyes move easily in their sockets.”

Where are the tears made?—­“Back of the eyebrows.”

When do the tears wash the eyes?—­“Every time we wink our eyelids.”

* * * * *


Name the parts of the ear.

Where are your ears?—­“On the sides of my head.”

Which is the rim of the ear?—­“The edge of the ear.”

Which is the flap of the ear?—­“The lower part of the ear.”

Where is the drum of the ear?—­“Inside of the ear.”

How is the drum protected?—­“By stiff hairs and a bitter wax at its entrance.”

* * * * *


Where is the nose?—­“In the middle of the face.”

Name the parts of the nose.

Where is the tip of the nose?—­“At the end of the nose.”

Where is the bridge of the nose?—­“At the top of the nose, between the eyes.”

Where is the cartilage?—­“In the middle of the inside of the nose.”

Of what use is the nose?—­“To smell and breathe through.”

What are the nostrils?—­“The openings inside of the nose.”

Of what use are the nostrils?—­“To let the air into and out of the opening back of the mouth.”

* * * * *


Where is the mouth?—­“In the lower part of the face, between the nose and the chin.”

Of what use is the mouth?—­“To breathe, speak, and eat through.”

What is in the mouth?—­“My tongue, my upper teeth, my lower teeth, and my upper and lower jaws.”

What covers the jaws?—­“Red flesh, called gum.”

Of what are the jaws composed?—­“Of bones.”

Of what are the teeth made?—­“Of dentine, covered with enamel.”  See note, p. 19.

Project Gutenberg
Object Lessons on the Human Body from Project Gutenberg. Public domain.
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