en.wikipedia.org/wiki/Blood_cell

A blood cell, also called a hematopoietic cell, hemocyte, or hematocyte, is a cell produced through hematopoiesis and found mainly in the blood. Major types of ...

www.cancer.gov/publications/dictionaries/cancer-terms/def/red-blood-cell

A type of blood cell that is made in the bone marrow and found in the blood. Red blood cells contain a protein called hemoglobin, which carries oxygen from the ...

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 ...

www.stanfordchildrens.org/en/topic/default?id=what-are-white-blood-cells-160-35

May 14, 2019 ... Think of white blood cells as your immunity cells. In a sense, they are continually at war. They flow through your bloodstream to battle viruses, ...

www.stanfordchildrens.org/en/topic/default?id=what-are-red-blood-cells-160-34

Red blood cells are round with a flattish, indented center, like doughnuts without a hole. Your health care provider can check on the size, shape, and health of ...

www.hematology.org/Patients/Basics

Blood is a specialized body fluid. It has four main components: plasma, red blood cells, white blood cells, and platelets. Blood has many different functions, ...

www.urmc.rochester.edu/encyclopedia/content.aspx?ContentID=34&ContentTypeID=160

Hemoglobin is the protein inside red blood cells. It carries oxygen. Red blood cells also remove carbon dioxide from your body, transporting it to the lungs for ...

medlineplus.gov/ency/anatomyvideos/000104.htm

Feb 18, 2018 ... Blood carries various substances that must be brought to one part of the body or another. Red blood cells are an important element of blood.

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

May 18, 2019 ... WebMD describes the anatomy of human blood including what makes up our blood and how circulation works.