Blood is a specialized bodily fluid that has four main components: plasma, red blood cells, white blood cells, and platelets.

1. Plasma: This is the liquid component of blood, making up about 55% of the body's total blood volume. It is mostly water (up to 95% by volume), and contains dissolved proteins, glucose, mineral ions, hormones, carbon dioxide, and blood cells themselves.

2. Red Blood Cells (RBCs): These are also known as erythrocytes. They make up about 45% of the blood's volume. Their main function is to carry oxygen from the lungs to the body's tissues, and then transport carbon dioxide back to the lungs.

3. White Blood Cells (WBCs): These are also known as leukocytes. They are part of the immune system, and their role is to fight infections and diseases. They make up less than 1% of total blood volume.

4. Platelets: These are also known as thrombocytes. They are responsible for blood clotting, which prevents excessive bleeding when injuries occur. They make up less than 1% of total blood volume.

In summary, blood is composed of plasma, red blood cells, white blood cells, and platelets, each with their own specific functions.

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Blood is a specialized bodily fluid that has four main components: plasma, red blood cells, white blood cells, and platelets.

1. Plasma: This is the liquid component of blood, making up about 55% of the body's total blood volume. It is mostly water (up to 95% by volume), and contains dissolved proteins, glucose, mineral ions, hormones, carbon dioxide, and blood cells themselves.

2. Red Blood Cells (RBCs): These are also known as erythrocytes. They make up about 45% of the blood's volume. Their main function is to carry oxygen from the lungs to the body's tissues, and then transport carbon dioxide back to the lungs.

3. White Blood Cells (WBCs): These are also known as leukocytes. They are part of the immune system, and their role is to fight infections and diseases. They make up less than 1% of total blood volume.

4. Platelets: These are also known as thrombocytes. They are responsible for blood clotting, which prevents excessive bleeding when injuries occur. They make up less than 1% of total blood volume.

In summary, blood is composed of plasma, red blood cells, white blood cells, and platelets, each with their own specific functions.

Knowee AI · Accepted Answer

Blood is a specialized bodily fluid that has four main components: plasma, red blood cells, white blood cells, and platelets.

1. Plasma: This is the liquid component of blood, making up about 55% of the body's total blood volume. It is mostly water (up to 95% by volume), and contains dissolved proteins, glucose, mineral ions, hormones, carbon dioxide, and blood cells themselves.

2. Red Blood Cells (RBCs): These are also known as erythrocytes. They make up about 45% of the blood's volume. Their main function is to carry oxygen from the lungs to the body's tissues, and then transport carbon dioxide back to the lungs.

3. White Blood Cells (WBCs): These are also known as leukocytes. They are part of the immune system, and their role is to fight infections and diseases. They make up less than 1% of total blood volume.

4. Platelets: These are also known as thrombocytes. They are responsible for blood clotting, which prevents excessive bleeding when injuries occur. They make up less than 1% of total blood volume.

In summary, blood is composed of plasma, red blood cells, white blood cells, and platelets, each with their own specific functions.

What is the best description of the composition of blood?

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