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Questions and Answers
Which type of white blood cell is important for virus infection?
Which type of white blood cell is important for virus infection?
- Basophils
- Neutrophils
- Monocytes (correct)
- Eosinophils
What is the characteristic appearance of erythrocytes?
What is the characteristic appearance of erythrocytes?
- C-shaped nucleus
- Uniform size with no nucleus (correct)
- Granules obscuring the nucleus
- Large nucleus with organelles
Which white blood cell type has granules that obscure the nucleus?
Which white blood cell type has granules that obscure the nucleus?
- Neutrophils
- Lymphocytes
- Monocytes
- Eosinophils (correct)
What is the role played by platelets in the body?
What is the role played by platelets in the body?
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What are the two major types of white blood cells?
What are the two major types of white blood cells?
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Which of the following is a part of the upper respiratory tract?
Which of the following is a part of the upper respiratory tract?
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Where are the organs of the upper respiratory tract located?
Where are the organs of the upper respiratory tract located?
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Which structure is essential to human speech?
Which structure is essential to human speech?
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What is the function of the sinuses?
What is the function of the sinuses?
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What is the role of the pharynx?
What is the role of the pharynx?
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Study Notes
Blood Composition
- Blood is a specialized type of connective tissue.
- It consists of two main components: plasma (55%) and formed blood elements (45%).
Plasma
- Plasma is the largest part of blood, making up 55% of its overall content.
- It is a light-yellow liquid when separated from the rest of the blood.
- Plasma carries:
- Water
- Salts
- Enzymes
- Nutrients
- Hormones
- Proteins
- The main role of plasma is to:
- Transport nutrients, hormones, and proteins to the body's parts
- Remove waste products from the body by carrying them away from cells
- Circulate all parts of the blood through the circulatory system
Formed Blood Elements
- Formed blood elements originate from hemopoietic cells.
- They include:
- Red blood cells (RBCs)
- White blood cells (WBCs)
- Platelets
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