If the human body were a machine, it would be classified as one of the most incredible technological advancements in history. Whether on the side of creation or evolution, we can all agree that the human body is remarkable. We have curated some scientific and intriguing facts that will make you appreciate what is happening inside your body. Did you know you can’t keep your eyes open when you sneeze? Also, did you know that humans are the only known species that can blush? You won’t catch any other animal doing it except us! While there are some things we wish our bodies could do, let’s take this time to appreciate what it already does. You don’t need to be a doctor or scientist to understand how the body works. Here are our top 45 facts about the human body! Read on.

We Have Two Shades Of Blood

No, we do not have blue blood, no matter how much we wish. Some of us grew up thinking that that physical representation of the circulatory system meant that we have blue blood. However, the human body doesn’t have a uniform color of blood. 

Our blood is red due to hemoglobins in our red blood cells. Hemoglobin is a protein that makes an iron molecule that transports oxygen around our system. The blood in the human arteries is bright red, while the blood in the veins is dark red. This is all because of hemoglobin.