Which Animals Have White Blood?

Blood is the fluid that carries oxygen and many nutrients around the body that are essential for the survival of humans and animals. But what some people might not know, is that not every blood is red. In fact, blood can come in different colors.

Blood is made mostly of plasma, proteins, and other good stuff that are crucial for humans and animals that have different needs, which is why the color of the blood is not always the same.

Why is Blood Red?

Before we go through the list of which animals have white blood, we should understand why blood is usually red. Blood is usually red because it is created by red blood cells. But why are they red to start with?

Well, inside those red blood cells, there’s a protein named hemoglobin (that helps to carry oxygen around the bloodstream), which gives blood its usual red color. However, in animals, this isn’t always the case, but why?

Why do Animal’s Blood Have Different Colors?

While humans have exclusively red blood, in the animal kingdom, blood is not always the same color. In fact, the blood in animals can come in other colors, like blue, purple, green, yellow, and even white! But why? Because some animals have a very unique blend of proteins in their blood that causes the different colors.

This is usually because of the presence of different proteins and pigments that impact the color of the blood. And in some species, the presence of hemoglobin is not existent as some animals don’t need it to carry oxygen. But let’s find out which animals have white blood and why.

Which Animals Have White Blood?

Some types of fish and insects are among the animals that have white blood. This happens because their bodies have to adapt to different needs, which affects the presence of hemoglobin (the responsible inert oxygen carrier protein that makes the bloodred). But let’s find out which unique animals have white blood below!

Crocodile Icefish

The crocodile icefish’s blood, also known as Channichthyidae has no hemoglobin or red blood cells … Read the rest of the story.

from Nature Nibble https://ift.tt/JNCUgYi