What is Poetry Made of And Why Does "Funny Bone" Get On Our Nerves?

hair care

What is hair made of?

 Hair is made up of so-called epithelial cells, which are arranged in three layers. The deepest layer located in the center of the hair that forms the "pulp", the middle layer is the "phloem" (or cortex), then the outer layer is called the "cuticle". The pulp is mainly made of a well-known substance called keratin (a type of protein) of a soft nature, while the “bark” and “cuticle” are made up mostly of hard keratin. This structure is so strong, that a strand of hair is stronger than a nylon rope or copper wire of the same thickness.

What determines your height?

 The height you will reach in puberty is determined by genetics and nutrition, with genes playing a major role in this regard. If you are tall while your parents are not, it is very likely that somewhere in your family line you had tall relatives, so you carry the genes of a tall person even though your mother and father are of average stature. However, nutrition is also a factor in height. Some researchers are conducting experiments to see if a good diet has a significant effect on your height at a certain point in your growth.

In fact, nutrition does not become a factor that limits height only when malnutrition occurs , or a person suffers from a lack of vitamins and minerals essential for the health of the body, so it is somewhat true that there is a relationship between the amount of food you eat on the one hand, and your height on the other hand .

How much heat does the human body emit?

 It is strange that the body of men usually emits more heat energy compared to women, specifically between 158 and 167 kilojoules per square meter of skin in men, and between 150 and 158 kilojoules per square meter in women. The skin covers an area of ​​about two square meters in an adult human, so it releases about 326 kilojoules of thermal energy from the body every hour, or just over 90 watts.

What makes us feel sleepy?

A small, round, pea-like mass in the brain cavity, the pineal gland, appears to be important in connection with sleepiness. This gland secretes a chemical called melatonin, especially in the late evening, causing a feeling of drowsiness. Scientists are seeking to learn more about such materials.

What is the recommended daily amount of salt for adults?

 Our bodies need grams of NaCl (salt) per day to survive. In the UK, adults average between 8 and 10 grams of salt per day. But for health reasons, it's recommended to cut that down to between five and six grams - the equivalent of a slightly full teaspoon.

Do ears continue to grow after a person reaches puberty?

Yes, the earlobes continue to grow, but in general, once the head stops growing, the ears stop as well.

What is the funny greatness?

In fact, the "funny bone" is a nerve that runs through a groove in a bone very close to the surface of your skin. Scientifically called the "ulnar nerve" because it passes through the ulna bone, located on the outside of the two bones of the forearm. The ulnar nerve provides sensations to the wrists and hands.

At the elbow, the ulna protrudes, and the latter and the "ulnar nerve" are both close to the skin, making it easy for them to hit or hit objects. If the nerve itself is injured, you will have a very painful physical reaction, and “When you get hit a lot, you get very emotional, which means you laugh (or cry, or both) a lot.