âThey were very sleek and small and had room for two in the front, and one cramped backseat for a third person in the back.â âThey were sleek, simple, perfect vehicles for attacking in large numbers and flying away without a trace.â âThis jacket can be worn with sleek pants and a stylish shirt, or a classic sweater and jeans.â
A red blood cell count is a blood test that your doctor uses to find out how many red blood cells (RBCs) you have in your blood. It is also called an erythrocyte count. The test is important because RBCs contain hemoglobin, which carries oxygen to your bodyâs tissues.
Venous blood is darker (more crimson) than arterial blood (more cherry red). The red to dark red color of the blood is due to the large numbers of circulating red blood cells, the erythrocytes. Erythrocytes are called red blood cells because they have hemoglobin, an iron containing pigment.