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en.wikipedia.org/wiki/Blood_cell

Red blood cells or erythrocytes, primarily carry oxygen and collect carbon dioxide through the use of haemoglobin.Haemoglobin is an iron-containing protein that gives red blood cells their color and facilitates transportation of oxygen from the lungs to tissues and carbon dioxide from tissues to the lungs to be exhaled. Red blood cells are the most abundant cell in the blood, accounting for ...

www.webmd.com/heart/anatomy-picture-of-blood

Continued Blood Tests. Complete blood count: An analysis of the concentration of red blood cells, white blood cells, and platelets in the blood. Automated cell counters perform this test.

microbiologyinfo.com/blood-cells-types-functions

Blood cells are the cells which are produced during hematopoiesis and found mainly in the blood. Blood is composed of the blood cells which accounts for 45% of the blood tissue by volume, with the remaining 55% of the volume composed of plasma, the liquid portion of the blood.

www.healthline.com/health/blood-cell-disorders

A blood cell disorder is a condition in which there’s a problem with your red blood cells, white blood cells, or the smaller circulating cells called platelets, which are critical for clot ...

www.britannica.com/science/red-blood-cell

Red blood cell, also called erythrocyte, cellular component of blood, millions of which in the circulation of vertebrates give the blood its characteristic colour and carry oxygen from the lungs to the tissues. The mature human red blood cell is small, round, and biconcave; it appears dumbbell-shaped in profile. The cell is flexible and assumes ...

www.ncbi.nlm.nih.gov/books/NBK2263

The average human adult has more than 5 liters (6 quarts) of blood in his or her body. Blood carries oxygen and nutrients to living cells and takes away their waste products. It also delivers immune cells to fight infections and contains platelets that can form a plug in a damaged blood vessel to prevent blood loss.

www.hematology.org/education/patients/blood-basics

White blood cells protect the body from infection. They are much fewer in number than red blood cells, accounting for about 1 percent of your blood. The most common type of white blood cell is the neutrophil, which is the "immediate response" cell and accounts for 55 to 70 percent of the total white blood cell count.

www.thoughtco.com/red-blood-cells-373487

A red blood cell has what is known as a biconcave shape. Both sides of the cell's surface curve inward like the interior of a sphere. This shape aids in a red blood cell's ability to maneuver through tiny blood vessels to deliver oxygen to organs and tissues.

www.medicalnewstoday.com/articles/315133

White blood cells are vital to the body because they fight infection. Most people produce about 100 billion white cells each day. If someone has too many white blood cells, it can indicate an ...

www.merriam-webster.com/dictionary/blood cell

Blood cell definition is - a cell normally present in blood. Recent Examples on the Web Blood stem cells, in particular, develop into different types of blood cells. — NBC News, "Childhood cancer patients' stem cells destroyed after freezer malfunction," 26 Sep. 2019 The fundamental physiology work has led a better understanding of how much than 300 hundred genes in the body are regu...