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20 Cards in this Set
- Front
- Back
What are the major organs in the nervous system? |
Spinal cord and brain and nerves |
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What two organs make up the central system? |
Autonomic and somatic |
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What is a nerve? |
Nerves are fiber |
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What two systems make up the Musculoskeletal system? |
Muscles and bones |
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How many bones are in the human body? |
206 |
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What connect the bones together? |
Joints |
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What are muscles and how do they help our body? |
They help us move and protect our body |
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What are the major organs in the respiratory system? |
lungs,windpipe,nose,throat,vice box |
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Approximately how many alveoli do we have? |
300 or 400 alveoli |
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The respiratory system is important because it allows us to ------ |
Breath |
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The purpose of circulatory system is to? |
To pump blood throw the body |
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The major organs in the circulatory system are? |
Heart,lungs,blood vessels. |
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How many chambers does the heart have? |
4 chambers |
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the heart lies between the -------. |
lungs |
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The purpose of the Digestive system is to? |
to break down the food |
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The major organs in the digestive system? |
esophagus stomach and intestines |
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what helps break down the food? |
saliva |
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where does food travel to after we swallow it |
esophagus |
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Nervous system the brain and spinal cord are protected by |
bones |
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Digestive system how long is the esophagus |
25 cm |