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-red-blood-cells-160-34

Jun 6, 2019 ... 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 ...

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 ...

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.

kidshealth.org/en/parents/blood.html

Blood is made up of blood cells and plasma. Plasma (PLAZ-muh) is a yellowish fluid that has nutrients, proteins, hormones, and waste products. The different ...

www.merckmanuals.com/home/blood-disorders/biology-of-blood/formation-of-blood-cells

Red blood cells, most white blood cells, and platelets are produced in the bone marrow, the soft fatty tissue inside bone cavities. Two types of white blood cells, ...