A human body is a highly complex and mysterious machine that doesn’t fail to impress researchers and doctors regarding its several bizarre and interesting facts. Daily, researchers are discovering several theories and studies regarding the working of the human body. In this article, we have specified some of the most interesting facts about the human body. Let’s scroll further to know the details. 
1. Number of Bones
You will be amazed to know that a baby is born with 300 bones at birth that all fuse together to born 206 bones in an adult. This all happens because, at the time of the growth, the bones become taller with the increased height of the person.
2. Number of Muscles
In the human body, there are more than 600 types of muscles present that are categorized into skeletal muscles, cardiac muscles, and smooth muscles.
- Skeletal Muscles: These are the muscles that are responsible for the movement of the body. These muscles are under the control of a person and thus are called voluntary muscles. Such muscles include biceps, triceps, etc.
- Cardiac Muscles: Cardiac muscles are those which are related to the heart of the person.
- Smooth Muscles: Smooth muscles are those which are not under the control of a person and the movement occurs without the consciousness of the person.
3. Nails
You all must have noticed that you have to cut your fingernails more frequently than your toenails. This is due to the fact that the fingernails grow faster than the toenails. There are several theories that justify this fact and some of them say that it happens because the flow of blood is faster in hands in comparison to feet, some say that it’s because contact exposure of the hands in the sun and air promotes the growth of the nails.
4. Small Intestines
Small intestines are an important part of the human body that performs the function of absorbing all the essential nutrients from the diet we intake. The length of the small intestines is approximately more than 20 feet.
5. Sweaty
You will be amazed to know that there are more than 4 million sweat glands present in the human body that is responsible for sweating. Sweating is of two categories; stress sweat and regular sweat. Stress sweat occurs due to certain periods of stress like anxiety or panic attacks while regular sweat means that sweating occurs due to exercising.
6. Music in my Blood
The music you listen to has several effects on both the psychological, emotional, and mental health of a person. The type of music you listen to changes your mood within a second as it causes psychological effects on blood pressure, heartbeat, temperature, mood, respiration, digestion, and many more. According to several studies, it has been found that playing good music improves your mood ultimately helping the person to work out for a longer duration and work with concentration. Apart from this, it also eases anxiety and depression.
7. Composition of Water
You will be amazed to know that a human brain is composed of more than 70% of water, lungs are composed of 80% of water, skin is composed 60% of water, and muscles and kidneys are composed of more than 70% of water. So, it is important for a person to remain hydrated throughout the day.
8. Facial Hair Growth
The facial hair growth on the face grows faster than any other part of the body irrespective of gender. In recent times, females are also experiencing this issue due to several hormonal changes in the body like PCOS. To overcome this issue, several laser treatments are also available and it is advisable to consult a certified and experienced dermatologist for this procedure.
9. Acid in the Stomach
The acidity in the stomach is produced when the excess acid is released in the gastric glands of the stomach. The acid produced in the stomach is so strong that it is said that it can easily dissolve a razor blade or any other metal. We must avoid consuming certain food items that cause excess acidity in the stomach. There are several remedies available in the market that can be helpful in controlling acidity.
10. Role of Stress
It is believed that stress causes more than 90% of health issues in the human body. Stress could be related to anything like job pressure, unemployment, family issues, failed relationships, career-related issues, etc. Various health problems like high blood pressure, diabetes, obesity, PCOS, etc. are all caused by a poor lifestyle and excessive stress.