17+ Why Is The Heart Red And Blue Pictures. The heart directs blood to your lungs. The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.
Ever wonder why that is? So it can be close to your heart. Take the blue heart emoji for example.
When additional heart emojis were added, there was no need for another red heart, so it was omitted.
And why the moon appears red during a total lunar eclipse: However, scientists say that too much blue could dampen spirits. Did you know that a heart attack isn't the same thing as a cardiac arrest? Although it is environmentally friendly, blue light can affect your sleep and potentially cause disease.