Why Are Lips Red? What is the Appendix?
The Human Body is a complex thing. And there are so many facts to know about it. Have you ever…
The Human Body is a complex thing. And there are so many facts to know about it.
Have you ever wondered why our lips are red or what is a migraine? Well, here are 2 interesting questions on the human body (that you’re probably wondering about) and their explanations.
Why are lips red?
Do you know what are blood vessels? They are pipes that carry blood in our body. There are 3 types – arteries, veins and capillaries. Capillaries are the thinnest, they connect veins to arteries and they carry red-coloured blood. Since the skin near your lips is very thin, the capillaries present there cause your lips to appear red/pink.
What is the Appendix?
The appendix is located in the lower right abdomen (stomach), near the large intestine. While the function of this organ is unknown, there are 2 major theories for its existence. Some scientists believe that it acts as a storehouse of good bacteria and helps the digestive system after an illness (immune system). It is also believed that it is a useless organ related to our evolutionary past. Sometimes this organ gets inflamed, infected and can rupture. This is called appendicitis (so if you have shootin