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5th Sci Ch 3

Study Guide

QuestionAnswer
circulatory system transportation system of the body
digestive system involved in removing wastes
Four components of blood red blood cells, white blood cells, plasma and platelets
red blood cell carries oxygen to the body
white blood cell protects body from germs and other harmful things
plasma 50% of the blood
platelet helps form blood clots
Three types of blood vessels artery, capillary, vein
artery carries blood away from heart
capillary smallest kind of blood vessel
vein takes blood back to the heart
Four parts of the heart left atrium, right atrium, left ventricle, right ventricle
circulatory system does what transports blood to the whole body
respiratory system does what carries gases between the outside air and your blood
The digestive system does what? breaks down food so useful to the body
urinary system does what? helps eliminate wastes
What is the first step of digestion? chewing
what is the esophagus? tube that carries food to the stomach
How are oxygen and carbon dioxide exchanged in the lungs? inhaled oxygen moves from the lungs to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the lungs.
Created by: msparks