The average 70-kg individual is nourished and protected by about 5 L of blood. Approximately 55% of the blood is a liquid, called the plasma; the remaining 45% is composed of blood cells (45% red blood cells, less than 1% white blood cells).The blood cells are considered to be a tissue because they work together for a common purpose.
1.Plasma: the fluid medium though which solid blood components through which the solid blood components, along with dissolved gases, nutrients, wastes, and hormones, are transported 2.Erythrocytes (red blood cells): contain hemoglobin, a molecule that enables the cell to bind oxygen molecules 3.Leukocytes (white blood cells): functions mainly to protect the body against invading microorganisms and toxins 4.Platelets: function primarily to initiate blood clotting
Lesson 4: Blood Components
The average 70-kg individual is nourished and protected by about 5 L of blood. Approximately 55% of the blood is a liquid, called the plasma; the remaining 45% is composed of blood cells (45% red blood cells, less than 1% white blood cells).The blood cells are considered to be a tissue because they work together for a common purpose.
1.Plasma: the fluid medium though which solid blood components through which the solid blood components, along with dissolved gases, nutrients, wastes, and hormones, are transported
2.Erythrocytes (red blood cells): contain hemoglobin, a molecule that enables the cell to bind oxygen molecules
3.Leukocytes (white blood cells): functions mainly to protect the body against invading microorganisms and toxins
4.Platelets: function primarily to initiate blood clotting