Blood Flashcards

1️⃣ Familiarise yourself with the flashcards:

  • Look through all the flashcards to see what's on both sides.
  • Make sure you understand the information on each card. If something's unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

  • Look at the question or prompt on each card and try to remember the answer before flipping it over.
  • Check the answer and make a note of any cards you find challenging and need to go over more.

3️⃣ Consistently Review and Practice:

  • Use spaced repetition: spend more time on the cards you struggle with and go over them more often.
  • Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It's useful to remember specific examples to understand these concepts better.

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What is blood?

A tissue made of cells and platelets carried in a liquid called plasma.

Name the four main parts of blood.

Plasma, red blood cells, white blood cells and platelets.

What is the main job of red blood cells?

To carry oxygen from the lungs to body cells.

How are red blood cells adapted for this job?

They are biconcave, have no nucleus, and are flexible, so they hold lots of haemoglobin and fit through capillaries.

What is haemoglobin and what does it form in the lungs?

A red protein in red blood cells; it binds oxygen to form oxyhaemoglobin.

What does plasma transport around the body?

Water with dissolved glucose, amino acids, carbon dioxide, urea, hormones, antibodies and heat energy.

What is the role of white blood cells?

They defend the body against pathogens.

What is phagocytosis?

When some white blood cells engulf and digest pathogens.

What do lymphocytes make, and what do these do?

Antibodies that stick to pathogens, and antitoxins that neutralise toxins.

What is the role of platelets when you cut yourself?

They help blood clot by forming a plug and a fibrin mesh that seals the wound.