10 Questions
Which component of blood forms about 55% of blood volume?
Plasma
What is the average diameter of erythrocytes (red blood cells)?
7 µm
How much blood, in liters, contributes to the body weight of a human adult?
5 liters
Which of the following is a characteristic of erythrocytes (red blood cells)?
They are round in shape
What is the primary function of blood in the body?
Transportation
Which type of blood cell does not contain a nucleus?
Erythrocytes
What is the average diameter of erythrocytes (red blood cells)?
7 µm
Which component of blood forms about 55% of blood volume?
Plasma
How much blood, in liters, contributes to the body weight of a human adult?
5 liters
What is the pH range that blood maintains in the human body?
7.35-7.45
Study Notes
Blood Components and Characteristics
- Plasma forms about 55% of blood volume.
- The average diameter of erythrocytes (red blood cells) is approximately 7.5 μm.
- Blood contributes to about 7% of the body weight of a human adult, which is around 5 liters.
- Erythrocytes (red blood cells) are characterized by being flexible, disk-shaped, and anucleate.
- The primary function of blood in the body is to transport oxygen, nutrients, and waste products.
- Erythrocytes (red blood cells) do not contain a nucleus.
- Blood maintains a pH range of 7.35-7.45 in the human body.
Test your knowledge of identifying blood cells from a peripheral blood film (PBF) under the microscope with this quiz. Learn about the different types of blood cells and their characteristics.
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