Not AI But Real Answers By Experts!
The average newborn infant is about fifty centimeters long. In 20 years, this little body more than triples in length. The average height of a man is 1.7 meters. But does not stop growing then. He actually continues to grow even after the age of twenty-five and reaches his maximum height at about the age of thirty-five or forty. … Read more
We might say that what the body does with food is “digest” it. But what exactly does this mean? Our digestive system has two basic jobs to do with the food we take in. The first job is to break down large food molecules so that they can be carried through the body. It is … Read more
How do we know what is going on in the world around us? We use our senses. Through them, we can see, hear, feel, and taste. But there are some scientists who believe that man can gain information without the use of senses. They believe the human mind has certain powers that have not yet … Read more
Does “thought” take place at the fastest speed possible? In times past, this was held to be true, which explains the expression “quick as thought”. Today we know that thought is an impulse that must travel along with a nerve fiber in our body, and this speed can be measured accurately. The surprising thing is … Read more
The pituitary gland is part of the endocrine system of the body, so let us start with that. The endocrine system consists of glands located in various parts of the body. These glands produce active chemical substances called“hormones”. These glands send their secretions directly into the bloodstream to be distributed throughout the body. The endocrine … Read more
In the body there are organs that produce secretions. These organs are called “glands”. Usually, the word “gland” is applied to endocrine glands, or glands of internal secretion. They are also called “ductless glands”. These glands produce secretions that do not go into ducts or tubes, but which are absorbed directly into the bloodstream. The … Read more
It seems like such a simple thing for us to sniff something and smell it. But the process of smell, and the whole subject of odor, is quite a complicated thing. Man’s sense of smell is poorly developed compared to that of other creatures. Man’s organ of smell is located in the nose; at least; this … Read more
Rheumatism is actually a disease. It is an inflammation of the joints of the body. Unless the disc is checked, the condition becomes worse and eventually, the person becomes disabled. The disease begins with an inflammation of the membrane which lines a joint, such as a knee, elbow, or wrist. The cartilage is also attacked, … Read more
Rheumatic fever is a disease of the heart that usually affects only young people. Unfortunately, this disease may result in serious and permanent injury to the heart, so that a person who has had it may have to be careful. But he should still be able to lead a fairly active life. The cause of … Read more
Meningitis is not a single specific disease. It is an in8amrnation (swelling and soreness) of the meninges. The meninges are the membranes (layers of tissue) that cover the brain and spinal cord. Although many different germs can cause the infection, it is most often caused by the bacteria meningococci. Meningitis may follow head injuries and infections, or … Read more