human body 4th grade Word Scramble
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| Question | Answer |
| 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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