Facts About The Human Integumentary System
Posted In: Human Anatomy.
The Integumentary System of the human body is essentially what our skin and appendages are made up of. Its main function is to protect the body from any outside ailments. It is this system that gives people the sensation of pain, the pain is good so the body knows something is wrong with it, giving you a reason to seek help for this issue should the problem arise. But besides the obvious facts about this very essential system, not much else is known to the average Joe. Here are a few tidbits about this system that will help on your next exam.
Does it control your skin?
Yes it does, matter of fact it is the cause of skin shedding, believe it or no we will shed our skin, we will shed about 40 pounds of skin in our entire life. But most of the time, it will not be noticeable to the naked eye.
How much of the body does it make up?
It makes up about 12 to 15 percent the mass of a human body and covers 1.5-2m2 of surface area, fairly large but not all together huge. The integumentary system is made up of a minimum of 3 major layers of tissue: the epidermis (the outermost layer); dermis; and hypodermis (the deepest layer).
Does it cause hair to grow?
Yep, it controls the foundation of how our hair grows. Each month it causes our hair to grow at about 1 cm, now this depends on if you get a haircut or not too, which will determine how everything turns out.
Are there bacteria?
Yes, there are loads of bacteria in our sweat glands which are like a heaven to all bacteria. You can find like about 2 to 5 million of these bacteria in those locations.
How much hair does it grow on your head?
The average amount of hair you’ll find on your head will be around the impressive number of 120,000 strands. That’s a lot of individual hair on any given head.
What kind of organ is this?
This system has within it a major sensory organ which is not only protective but also waterproofs the skin on our bodies. The skin also helps to generate Vitamin D from the Sun.