Name the components of human blood and explain how each component carries out its function.

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THEORY

2015

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The diagram shows chemicals being exchanged between some cells and a blood capillary. P Q What could be the identities of chemicals P and Q?

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MCQ

2018

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The diagram shows chemicals being exchanged between some cells and a blood capillary. P Q What could be the identities of chemicals P and Q?

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MCQ

2018

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In the process of blood clotting, the ……1…… help to convert ……2…… to ……3…… which forms a clot. Which words complete the description of blood clotting?

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MCQ

2020

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Tissue transplants are normally rejected by the body unless the transplant tissue and the patient are very carefully matched. Which component of the blood is responsible for the rejection of transplanted tissue?

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MCQ

2022

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Human blood has many different components and functions. Match each component to its function by drawing a line between them. One has been done for you. component of blood function red blood cell platelet plasma phagocyte lymphocyte engulfs pathogens transports oxygen makes antibodies transports fibrinogen involved in clotting Explain how a red blood cell is specialised for transporting oxygen. The number of red blood cells in 1 mm3 of blood is called a red blood cell count. A normal red blood cell count for a female is 4.2 – 5.4 million cells in 1 mm3 of blood. Suggest two factors that could lead to a change in the red blood cell count in a 25 year‑old female.

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THEORY

2023

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The diagram shows a blood cell as seen under a light microscope. What is the type of blood cell shown...

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MCQ

2024

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Human blood is composed of plasma, red blood cells, white blood cells and platelets. Which row states a function of each of these components?

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MCQ

2024

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A person’s cuts and grazes do not heal and their blood does not clot easily. What may be the cause of these symptoms?

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MCQ

2024

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The table shows changes in the concentrations of blood components as the blood flows through an organ. blood component change in concentration carbon dioxide increased glucose increased oxygen reduced urea increased Which organ has the blood passed through?

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MCQ

2012

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