When red blood cells die, other red blood cells come in and multiply.
Both red and white blood cells come from blood stem cells in the bone marrow.
Red blood cells are made in the red bone marrow.
Maybe,maybe not
blood maybe Edit: Most red and white blood cells come from the bone marrow and then travel in the blood through the veins.
Red blood cells contain hemoglobin. These cells are also known as erythrocytes.
Red blood cells because that is what carries oxygen throughout the body
red blood cells
Red blood cells contain hemoglobin, but white blood cells do not
As the name says, red blood cells are found in the blood. If there is blood there, there is red blood cells.
The old red blood cells get replaced by the newly formed red blood cells.
Whole blood is made up of 55% plasma and 45% blood cells. The blood cells come in three different varieties, red (erythrocytes), white (leukocytes), and platelets (thrombocytes). So, red blood cells, when they are living and functioning. already are found in plasma.