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