Description

in warm conditions, the diameter of small blood vessels near the surface of the body increases, which increases blood flow
in cold conditions, the diameter of small blood vessels near the surface of the body decreases, which reduces blood flow
vessel that carries oxygenated blood from the lungs to the left atrium
vessel that carries deoxygenated blood from the right ventricle to the lungs
cell fragments which help in blood clotting
straw-coloured liquid part of blood
bright red substance formed when oxygen binds to haemoglobin in red blood cells; this is how oxygen is transported to tissues
white blood cells that produce antibodies and antitoxins to destroy pathogens
chemical found in red blood cells which binds to oxygen to transport it around the body
the net movement of particles from a high concentration to a lower concentration (along their concentration gradient)
small blood vessels that are one cell thick and permeable for diffusion of gases; join arteries to veins
blood vessels with thick elastic walls that carry oxygenated blood away from the heart under high pressure
artery that carries oxygenated blood from the left ventricle to tissues around the body
the anterior (nearer to the head) chambers of the heart that receive blood from the body or lungs
vein that carries deoxygenated blood from the body to the right atrium
the lower chambers of the heart that pump blood around the body (left) or back to the lungs (right)
muscle that makes up the heart; it continuously contracts and relaxes
blood cells with a concave shape which are adapted to the transport of oxygen. As they move through the blood vessels they carry oxygen from the lungs to body cells

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The Heart

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The Heart

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Circulatory System

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CRNA Life

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Frequently Asked Questions

What is a crossword?

Crossword puzzles have been published in newspapers and other publications since 1873. They consist of a grid of squares where the player aims to write words both horizontally and vertically.

Next to the crossword will be a series of questions or clues, which relate to the various rows or lines of boxes in the crossword. The player reads the question or clue, and tries to find a word that answers the question in the same amount of letters as there are boxes in the related crossword row or line.

Some of the words will share letters, so will need to match up with each other. The words can vary in length and complexity, as can the clues.

Who is a crossword suitable for?

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Crosswords can use any word you like, big or small, so there are literally countless combinations that you can create for templates. It is easy to customise the template to the age or learning level of your students.

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Once you’ve picked a theme, choose clues that match your students current difficulty level. For younger children, this may be as simple as a question of “What color is the sky?” with an answer of “blue”.

Are crosswords good for students?

Crosswords are a great exercise for students' problem solving and cognitive abilities. Not only do they need to solve a clue and think of the correct answer, but they also have to consider all of the other words in the crossword to make sure the words fit together.

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If this is your first time using a crossword with your students, you could create a crossword FAQ template for them to give them the basic instructions.

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We have full support for crossword templates in languages such as Spanish, French and Japanese with diacritics including over 100,000 images, so you can create an entire crossword in your target language including all of the titles, and clues.