General Knowledge Quiz Questions with Answers on Biology - The Skin

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General Knowledge Quiz Questions with Answers on Biology


The Skin

 

Question- Of what use is the skin?

Answer- It covers the muscles of the body.

Question- What can you tell about it?

Answer- It is flexible, elastic, porous, and absorbent.

Question- Why do you say it is flexible?

Answer- Because it is easily bent.

Question- Why do you say it is porous?

Answer- Because it is full of little holes, or pores.

Question- Why do you say it is elastic?

Answer- Because it will spring back after it is stretched, squeezed, twisted, or bent.

Question- Why do you say it is absorbent?

Answer- Because it will soak up liquids.

Question- How many skins have you?

Answer- Two; an outside skin, and an inner skin.

Question- Which is the true skin?

Answer- The inner skin.

Question- Of what is the inner skin composed?

Answer- Of blood-vessels and nerves.

Question- How do you know that the outer skin has no blood-vessels?

Answer- Because if I put a pin through the outer skin the blood does not flow out, as it would if I had cut a blood-vessel.

Question- How do you know the outer skin has no nerves?

Answer- Because if I put a pin through my outer skin it does not make me suffer pain, as it would if I had touched a nerve.

Question- What gives color to the skin?

Answer- A jelly-like substance between the inner and the outer skin.

Question- What have you learned about the true skin?

Answer- That it is of the same color in people of every nation.

Question- What is this waste called when it comes from the surface of the skin?

Answer- Perspiration.

Question- When does the perspiration flow through the pores of the skin?

Answer- All the time, if the skin is healthy.

Question- Why do we not always see the perspiration which passes through the pores?

Answer- Because it does not always form drops on the surface of the skin; it generally passes off in very fine particles.

Question- What becomes of the fine or minute portions of perspiration which pass from the body?

Answer- Some of these portions are absorbed by the clothing; some pass into and mix with the air around us.

Question- What effect does the perspiration produce on the air and the clothing?

Answer- It soon makes the air unfit to be breathed, and the clothing unfit to be worn.

Question- Why must you wear clean clothing?

Answer- That there may be nothing impure in the clothing for the pores of the skin to absorb.

Question- Why should you breathe pure air?

Answer- Because air purifies the blood, and pure blood is necessary to make a healthy skin.

Question- How does drinking alcoholic liquors hurt the skin?

Answer- It makes the blood impure, and impure blood makes unhealthy skin.

Question- In what other way does drinking these liquors hurt the skin?

Answer- It gives the skin too much work to do.

Question- How does it give it too much work to do?

Answer- It makes more waste substance to pass from it through the pores, in the form of perspiration.

Question- In what other way does drinking alcoholic liquors hurt the skin?

Answer- It makes it a bad color.

Question- How does it make the skin a bad color?

Answer- It stretches the little blood-vessels of the skin, and makes them too full of blood.

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