Characteristics of Blood




Characteristics of BloodCharacteristics of Blood: Blood accounts with regard to 8% from the human body weight, having an average density of around 1,060 kg/m3, which is quite close to the density of pure water. The average adult includes a blood volume of approximately 5 liters (1.3 gal).

By volume, the red blood cells make up about forty-five% of whole blood, white cells about 0.7% and plasma about 54.3%; platelets constitute less than 1%.

Hemoglobin is actually the principal determinant of the color of blood within vertebrates. Each molecule provides four heme groups and their interaction with different molecules changes the exact color.

Injury can result in blood loss through bleeding. A wholesome adult can lose nearly 20% of blood volume (1 L) prior to the first symptom–-restlessness–-begins and forty% of volume (2 L) before shock sets in.

Characteristics of Red Blood Cells

Red blood cells (RBCs) are by far the most abundant cells within the blood. RBCs give blood its characteristic red color. In males, you can find an average of 5,200,000 RBCs for each cubic millimeter (microliter) and in females you can find an average of 4,600,000 RBCs for each cubic millimeter. RBCs account for around 40 to 45 % of the blood. This percentage of blood composed of RBCs is a often measured number and is referred to as the hematocrit. The ratio of cells in normal blood is 600 RBCs for every white blood cell and forty platelets.

You can find several things about RBCs that make them unusual:

An RBC features a strange shape -- a biconcave disc that is circular and flat, sort of such as a shallow bowl.

An RBC does not have any nucleus. The nucleus is extruded through the cell as it develops.

An RBC can alter shape to an incredible extent, without breaking, since it squeezes individual file through the capillaries. (Capillaries are minute blood vessels via which nutrients, oxygen and waste material are exchanged through the body.)

An RBC includes hemoglobin, a molecule specially created to hold oxygen and bring it to cells that need it.

Characteristics of White Blood Cells

White blood cells (WBCs, leukocytes) tend to be nucleated cells made from bone marrow; they have a task in body immunity. They make up the first line of defense of our bodies against invading microorganisms. White blood cells are categorized either as mononuclear cells or as polymorphonuclear leucocytes (or granulocytes). Granulocytes are further separated into three subtypes, eosinophils, Neutrophils and basophils.

You can find five kinds of leukocytes, each with distinct morphologies and functions.

Granular vs. Nongranular Cytoplasm

The five kinds of leukocytes are separated into two groups: nongranulocytes and granulocytes. Neutrophils, eosinophils and basophils are granulocytes. These include visible granules within their cytoplasm when stained and observed within a microscope. Nongranulocytes include monocytes and lymphocytes. These leukocytes exhibit no granules in their cytoplasm.





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