It is often noticed by physicians that when a beer-drinker becomes sick or meets with an accident, he does not recover so readily as one who uses no kind of alcoholic drinks. Of what use is the large brain? When not needed for immediate use, the bile is stored up in a sac called the gall-bladder. They are in the cavity of the abdomen, near the back-bone, up under the lower border of the ribs. The hair is chiefly useful as a protection. Do you want to search free download First Book in Physiology and Hygiene or free read online? If you touch these to the tongue you will observe that they taste of the tea. Our bodies need air, just as a candle or a fire does. How do we remember, think, and reason? Kellogg presents in a simple manner such anatomical and physiological facts as shall give the child a good fundamental knowledge of the structure and functions of the human body.
The lymph is composed of the fluid portion of the blood which has soaked through the walls of the small vessels. Fold-outs if any not included. Now, if you examine these ridges with a magnifying-glass, you will find arranged along each ridge a number of little dark spots. How does eating too fast cause indigestion? So nature has made for us a breathing apparatus of such a kind that we can work it like a pair of bellows. In learning about the body, we have to study anatomy, physiology, and hygiene. The chief parts of the trunk are the chest, the abdomen ab-do´-men , and the backbone.
The nose acts as a strainer, to remove particles of dust which might do harm if allowed to enter the lungs. If you should pour alcohol upon a plant it would die very soon. The arrangement by which our food is digested is much less simple than this. And yet a watch or a clock can do but one thing, and that is to tell us the time of day. A little soap may be used in cleansing the teeth, but clear water is sufficient, if used frequently and thoroughly. Even beer, ale, and wine, which do not contain so much alcohol as do rum, gin, and whiskey, have enough of the poison in them to do the liver a great deal of harm, and to injure many other organs of the body as well.
It has many different parts which are made to do a great many different kinds of work. It also finishes up the work done by these fluids. What is the effect of alcohol upon the kidneys? A candle will not burn in air which has been breathed, and animals die when confined in such air. The skeleton is made up of many different parts, each of which is called a bone. The heart has four chambers, two upper and two lower. Foul air contains germs which cause disease and often death. It is not known that the spleen has much to do in the work of digestion, but it is so closely connected with the digestive organs that we need to know about it.
The whole body is covered by the skin. You say it dries up, which means that it has passed off into the air. The fingers are a part of the hand. Of what are the bones largely composed? Lippincott ; Toronto : Copp, Clark Language: eng Pages: 206. Does anything that injures the brain and nerves also injure the special senses? The nails should be carefully trimmed with a sharp knife or a pair of scissors. Here are a few things to be remembered in all such cases: 16. It is an instrument which magnifies objects, or makes them look a great deal larger than they really are.
Physiology tells us what the body does, hygiene tells us how to take care of it. The stomach needs time to rest, just as our legs and arms and the other parts of the body do. We breathe once for each four heart-beats. This curtain is called the soft palate. Does the use of alcohol prevent sunstroke? The hair grows from the true skin. Like rubber, when it is released it quickly contracts and appears as before. Unwholesome food produces bad blood.
The last few feet of the intestine is larger than the rest, and is called the colon. The spleen is found near the pancreas. There are some lower animals which breathe with their skins altogether. This is a reprint of the original work published in 1874. At the same time the diaphragm draws itself downward. Is instant death ever produced by alcohol? Pepper, mustard, and other hot sauces are very harmful to the kidneys.
It is very unwise to overtax the heart in any way, for it may be strained or otherwise injured, so that it can never again do its work properly. We will begin with the head. When too much food is eaten, none of it is digested as well as it should be. The ends of the bones are held together in a joint by means of ligaments. Mention some things which we ought not to do. Wine is fermented grape-juice; hard cider is fermented apple-juice.
This is a great mistake. At the under side of the true skin the end of the tube is rolled up in a coil, as you can see by looking at the illustration on the following page. It is this fluid which moistens the mouth at all times. Foods of this kind are called vegetables. It begins at the mouth, and ends at the lower part of the trunk. The red corpuscles absorb the oxygen and the color of the blood changes from dark purple to bright red again. This is done to mix the gastric juice with the food.