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human body 4th grade

human body

QuestionAnswer
Basic building blocks of life cells
cells work together to form tissues
tissues work together to form organs
organs work together to form systems
Number of bones in the body 206
number of muscles in the body 640
The 4 main jobs of the skeletal system 1. support the body2. give the body shape3. protect the organs4. help the body move
Name the 3 types of muscles striated, smooth, cardiac
Muscles attached to the bones striated
muscles in the walls of your organs smooth
muscles in the wall of your heart cardiac
muscles attach to the bones at joints
How do the muscles in your skeleton work? pulling not pushing
How do the muscles in your organs work? squeezing and relaxing
What is the main job of the respiratory system? To take in air and deliver oxygen to the red blood cells and take away carbon dioxide
What are the main organs in the respiratory system? 1. mouth & nose2. trachea3. lungs
What is the main job of the circulatory sytem? circulate (move) blood to all the body
What are the main organs in the circulatory system? heart, arteries, veins, capillaries
________ takes blood away from the heart arteries
_______ brings blood back to the heart veins
How many chambers are in the heart? 4
Created by: amycarden
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