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SCIENCE
CIRCULATORY SYSTEM April/May 2013
| Question | Answer |
|---|---|
| The circulatory system consists of what three things? | 1) Heart 2) Blood Vessels 3) Blood |
| What is the main organ of the Circulatory syatem? | The Heart |
| The Heart is a hollow organ that has walls made of strong what? | Muscle |
| Blood is pumped to the lungs by what side of the heart? | Right |
| What side of the heart pumps blood to the rest of the body? | Left |
| What is the top chamber on either side of the Heart called? | Atrium |
| What is the lower chamber on either side of the Heart called? | The Ventricle |
| what is the small flap of tissue that prevents blood from flowing backwards called? | The Valve |
| What is the group of cells that sends electric currents to the heart and makes sure the heart beats at a steady pace? | Pacemaker |
| The Heart is constantly pumping, and the blood flows in only one direction, T/F? | True |
| The number of times your heart beats in a minute is called your what? | Heart Rate |
| The push of blood through the blood vessels each time your heart beats is called your what? | Pulse |
| What carries blood from the Heart to all the parts of the body? | Arteries |
| What carries blood from the body Back to the heart? | Veins |
| What are the smallest blood vessels; that connect the arteries and veins? | The Capillaries |
| What is the largest artery in the body? | Aorta |
| What are the largest Veins in the body? | Vena Cavae |
| Name three types of blood vessels? | 1) Arteries, 2) Veins, 3) Capillaries |
| What, in the blood, passes through the thin capillary walls into surrounding cells? | Oxygen |
| What passes into the Capillaries and is carried away by the blood? | Carbon Dioxide |
| Like the heart, veins have _____ that keep the blood from flowing backwards? | Valves |
| William Harvey was the first to realize that three things circulate blood throughout the body, what are they? | 1) Heart 2) Arteries 3) Veins |
| What is the liquid part of blood; dissolves proteins, sugars, and nutrients? | Plasma |
| What carries oxygen to all parts of the body? | Red blood cells |
| What helps fight disease and infection? | White blood cells |
| What helps form blood clots; small fragments of cells? | Platelets |
| What is able to squeeze through capillaries because of their concave shape on both sides? | Red Blood Cells |
| The transfer of blood from a healthy person to an inured person is called a what? | Blood Transfusion |
| There are four main types of blood, what are they? | 1) A 2) B 3) AB & 4) O |
| Some types of blood cannot be successfully _____ with certain other types of blood? | Mixed |
| People who donate their blood are called what? | Blood Donors |
| What are three jobs of the blood? | 1) To transport substances around the body 2) To help keep the body's temperature at 37*C(98.6F) 3) To help defend the body against infections & diseases |
| How does a red blood cell act like a bus traveling through the body? | The Red blood cell lets out oxygen and picks up carbon dioxide. As the red blood cell travels through the lungs, it lets out carbon dioxide and picks up oxygen. |
| Why is there always a need for blood donors? | Blood doesn't last for a long time and becomes unuseful. People who have been injured and lost blood need to have more available. |
| Some body organs that work with the circulatory system to remove waste products are the skin, lungs and what? | Kidneys |
| Some wastes can be removed from the body by sweat, and other wastes are removed by the ____ during respiration? | Lungs |
| Most people have how many kidneys? | Two |
| The main job of the kidneys is to clean what by removing wastes and excess water from it? | Blood |
| Some body organs work with the circulatory system to remove waste products that poison the body and could cause death, T/F? | True |
| Some health problems are inherited, but others are the result of bad havits and choices throughout life, T/F? | True |
| Staying healthy includes eating the right kinds of foods, exercising, and not smoking, T/F | True |
Created by:
vmlmyway
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