Blood Cells

Table of Contents

The human blood functions to transport the oxygen needed by cells throughout the body. Blood also supplies the body’s tissues with nutrients, transports metabolic waste, and regulates the body’s system. In addition, blood plays an important role in transporting hormones and other signals throughout the body. 

The color of human blood ranges from bright red (when it is rich in oxygen), to darker red (when it is deoxygenated).  The red color is due to hemoglobin, a heme-containing respiratory protein – where oxygen molecules bind. 

What is the Function of Blood?

Blood is circulated through blood vessels by the heart’s pumping action. Then, blood is pumped through the pulmonary artery to absorb oxygen and releases carbon dioxide into the lungs. Then, from the left ventricle, blood is pumped into the aorta and branches out throughout the body. Using a network of capillaries, blood carries oxygen throughout the body. The blood then returns to the heart through the superior vena cava and inferior vena cava.

Moreover, your liver releases substances into the blood – which eventually ends up in the kidneys. Then, it is removed in the form of urine. 

Who is a Blood Cancer and Blood Transfusion Specialist Doctor?

Specialist doctors in blood cancer can provide treatments for diseases such as acute lymphoblastic leukemia and chronic lymphoblastic leukemia. Meanwhile, doctors who specialize in blood transfusions treat blood disorders such as thalassemia.

Blood Diseases and Medical Conditions

Acute Myeloid Leukemia

Chronic Myeloid Leukemia

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