Flaps in veins and the heart that open only one way to control the flow of blood
Pulmonary refers to the ____
The ____ventricle pumps oxygenated blood to the body
The oxygen-carrying protein in red blood cells
Blood vessels that carry blood away from the heart
These very small blood vessels, which form the connection between arteries and veins, wind around the alveoli; carbon dioxide and oxygen can pass out of or into the bloodstream through their thin walls
Red blood cells; shaped like a disc, hold hemoglobin
The thin, flat muscle under the lungs whose contraction and relaxation facilitates respiration
The two tubes that branch from the trachea
Air enters this through a pair of flaps to produce sound
Down
The bubble-like sacs that form dead ends to the bronchioles
Cell fragments that lack a nucleus; they clump together to seal a broken blood vessel
The bronchi branch into these smaller tubes
Also known as white blood cells; help rid the blood of antigens
Yellow fluid that makes up most of the blood
The process of platelets clumping together to seal a blood vessel
The ____ atrium receives deoxygenated blood from the body
a wall that divides a cavity or structure into smaller chambers
Blood vessels that carry blood toward the heart
Air enters this from the voicebox and is filtered by cilia and mucus and then moisturized
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There is a 'Make Printable' button on the top left of your puzzle that will let you sign up for a plan or purchase a single puzzle.
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Once you publish your puzzle, you can click the print icon or use your browser’s print function.
It looks weird when printed.
First make sure you’ve published your puzzle. See the 'How do I print?' section above for more information.
99% of other printing issues have to do with printer settings. Instead of trying to fiddle with printer settings, which can be time-consuming and frustrating, there are a couple workarounds you can try.
You can try printing from a different browser, since different browsers have different default print settings. Alternately, you can try saving as a PDF (next to the print icon) and print that.
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Not all my words are in my puzzle.
When you hit the 'Arrange' button, our algorithm will try to arrange all your words on the grid, and will move words around to try to fit the most words.
This will get all the words on the grid about 90% of the time, depending on the word list. For the other 10%, you will get an alert explaining that the words that did not fit were added to the scratchpad.
It prints on two pages.
Big puzzles won’t always print on one page — the clues and grid are the smallest we could make them while keeping them readable for everyone.
That said, different browsers print in slightly different ways, so you could try using 'print preview' using a different browser (or try the PDF button) to see if you like how that looks better.
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Check your spam folder, and be aware that some school email systems block emails from non-school email addresses. Try providing a different email address if you think our emails to you are being blocked.
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