Circulatory Lev2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| ribs | Bones in your chest that protect your ribs and heart.
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| muscle | A type of tissue that pulls or contracts to move you, or do jobs in the body. The heart is a pump that is made of this type of tissue.
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| veins | Large blood vessels that carry blood IN toward the heart.
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| arteries | Large blood vessels that carry blood Away from the heart.
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| capillaries | Microscopic blood vessels with walls that are just one cell thick. They connect arteries and veins. Nutrients & oxygen diffuse in & out of the blood through the walls of these.
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| diffusion | When molecules pass through a membrane, like into or out of a cell.
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| lungs | 2 organs in the chest that inhale (breath in) oxygen and exhale (breath out) carbon dioxide.
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| cellular wastes | Substances that cells no longer need, such as carbon dioxide, excess salt, urea, excess water, etc. Transported by the blood to be removed from the body.
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| hormones | Chemical messages transported in the blood. Produced in special organs called glands.
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| hemoglobin | Chemical in red blood cells that holds on to oxygen, to transport it.
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| plasma | The liquid part of blood (mostly made up of water) that carries everything else in blood.
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| red blood cells | Cells in blood that carry oxygen, with the help of hemoglobin.
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| white blood cells | Cells in blood that fight disease by destroying and 'eating' bacteria, viruses, etc.
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| platelets | Irregularly shaped blood cells that help blood to clot where there is a cut or injury. They stick together and dry up to form a scab.
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| small intestine | Organ where all nutrients enter the blood, by diffusion into capillaries.
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| villi | Microscopic finger-like structures in the small intestine, they contain capillaries for absorbing nutrients into the blood by diffusion.
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| tissues | A group of similar cells working together, like muscle or skin.
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| organs | Special structures in a body made up of tissues. Each has a specific job or jobs.
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| atom | The smallest unit of matter.
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| molecule | It is made of 2 or more atoms held together by bonds, like O2 or H2O
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| element | Substance made of only one type of atom, like C or Mg or O2
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| compound | Substance made of 2 (or more) different types of atoms like H2O or C6H12O6
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| bonds | The attractions (forces) that hold atoms together to make molecules. They contain energy!
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| reactants | The “ingredients” necessary for a chemical reaction. They “react” to form the products.
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| products | What is created or produced after a chemical reaction.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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