What are the physical characteristics of blood?

Physical Characteristics of Blood

* Color: Blood is bright red when oxygenated, and dark red when deoxygenated.

* Odor: Blood has a slightly metallic odor.

* Taste: Blood has a slightly salty taste.

* Temperature: Blood is typically between 97 and 98.6 degrees Fahrenheit.

* Viscosity: Blood is about five times more viscous than water.

* Density: Blood is about 1.05 times as dense as water.

* pH: Blood has a pH of about 7.4.

* Composition: Blood is composed of about 45% red blood cells, 45% plasma, and 10% white blood cells.

Red Blood Cells

* Red blood cells are small, disk-shaped cells that are filled with hemoglobin, a protein that transports oxygen.

* Red blood cells are produced in the bone marrow.

* The average lifespan of a red blood cell is about 120 days.

Plasma

* Plasma is the liquid component of blood.

* Plasma contains water, electrolytes, proteins, and hormones.

* Plasma makes up about 55% of blood volume.

White Blood Cells

* White blood cells are cells that help to fight infection.

* There are several different types of white blood cells, including neutrophils, lymphocytes, and monocytes.

* White blood cells are produced in the bone marrow.

* The average lifespan of a white blood cell is about 10-14 days.

Platelets

* Platelets are small, disk-shaped cells that help to stop bleeding.

* Platelets are produced in the bone marrow.

* The average lifespan of a platelet is about 10 days.

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