They travel in the blood. They are one of the 4 components of the blood and they travel collectively
Red cells are in the blood and transport oxygen around the body
Red blood cells
If you had insufficient red blood cells, your body would not get the oxygen that it needs. This is because red blood cells are what carries oxygen around the body.
Red blood cells, also known as hemoglobin, carry oxygen around the body. The red blood cells are found in the bodies blood.
The red blood cells have that function.
red blood cells
Take blood around your body.
The heart pumps the blood around the body by contracting.
Red blood cells because that is what carries oxygen throughout the body
Red blood cells
Red blood cells carry oxygen around the body and to the cells.
A possible answer is because white blood cells are only required for when there is a threat to the body, whereas red blood cells are needed constantly for transport of oxygen around the body.