Science Quiz
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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| What is another name for the cardiovascular system? | Circulatory System
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| What 3 parts make up the cardiovascular system? | heart, blood vessels, blood
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| What 3 things are carried throughout the body by the cardiovascular system? | needed materials, waste products and disease fighters
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| Each time the heart beats, what does it do to blood? | it pushed blood through the blood vessels of the cardiovascular system
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| What is the function of the atria? | To receive blood that comes into the heart
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| What is the function of the ventricles? | Pumps blood out of the heart.
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| What is a valve? | A flap of tissue that prevents blood from flowing backward.
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| What is a pacemaker? | Group of cells that adjusts the speed of the heart beat.
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| What does an artificial pacemaker do? | It makes the heart contract at a normal rate.
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| Name the 3 kinds of blood vessels. | arteries, capillaries, veins
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| What is the largest artery in the body? | aorta
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| What causes the force that pushes blood throughout your body? | The contraction of the left ventricle pumps blood throughout the body
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| Arteries carry blood away from the _____. | heart
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| True or false? The coronary arteries provide the stomach with its blood supply. | false
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| True or false? Arteries control the amount of blood that different organs recieve. | true
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| What important thing happens in the capillaries? | In the capillaries, materials are exchanged between the blood an the body's cells.
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| One process in which materials are exchanged between the blood and body's cell is _________. | diffusion
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| What job do veins carry out? | carry blood back to the heart
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| What can help push blood through veins? | Contraction of nearby skeletal muscles
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| What is blood pressure? | the pressure that blood exerts against the walls of blood vessels
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Or sort by any of the columns using the down arrow next to any column heading.
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