Components of blood

What makes blood classified as a tissue?

• It contains only red blood cells

• It is made up of different types of cells working together

• It only contains plasma

• It flows through blood vessels

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Which component of blood makes up approximately 55% of total blood volume and carries dissolved substances?

• White blood cells

• Platelets

• Red blood cells

• Plasma

What is the primary function of red blood cells?

• Fighting infection

• Blood clotting

• Carrying oxygen

• Producing antibodies

During the blood clotting process, what is the importance of the chemical released by platelets?

• convert fibrinogen to fibrin

• convert fibrin to fibrinogen

• convert prothrombin to thrombin

• convert thrombin to prothrombin

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Which type of white blood cell specifically produces antibodies?

• Lymphocytes

• Neutrophils

• Monocytes

• Basophils

Which is not an importance of transport in animals?

• To distribute heat energy

• To carry oxygen

• To move cells between organs

• To deliver materials to and remove waste from all body cells

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What is the main feature of red blood cells that allows them to carry oxygen efficiently?

• Their large size

• Their nucleus

• Their biconcave shape

• Their ability to divide

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Which component of blood is responsible for preventing excessive blood loss from wounds?

• White blood cells

• Platelets

• Plasma

• Red blood cells

What happens to white blood cells when they encounter pathogens?

• They dissolve immediately

• They multiply rapidly

• They turn into platelets

• They become inactive

Which statement about blood clotting is correct?

• It only occurs in arteries

• It requires vitamin K

• It happens spontaneously without triggers

• It only involves red blood cells

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