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Human Body Systems-
human body systems
| Question | Answer |
|---|---|
| Jobs of the skeletal system | structure, shape, protection, movement |
| Jobs of the muscular system | structure, shape, movement |
| Jobs of the respiratory system | take in oxygen, eliminate carbon dioxide |
| Jobs of the circulatory system | transport oxygen & nutrients to the cells |
| Jobs of the nervous system | send and receive messages from all parts of the body *controls all other body parts |
| Jobs of the digestive system | break down food and provide nutrients to the cells |
| Main parts of the respiratory system | lungs, trachea, air sacs |
| Main parts of the circulatory system | heart, arteries (AWAY from heart), veins (TOWARDS heart), capillaries |
| Main parts of the nervous system | brain, nerves, spinal cord |
| Main parts of the digestive system | esophagus, stomach, small intestine, large intestine |
| 3 main types of bones | long, short, flat |
| 3 types of muscle | cardiac- heart smooth- organs skeletal- attached to bone |
| Most active muscle in body | eye |
| How many skeletal muscles do humans have? | Approximately 640 |
| The trachea branches out in the lungs. At the end of each branch are tiny _______________. | air sacs |
| Messages in the body are sent along _________. | nerves |
| The ____________________ is a smooth bag of muscles that squeezes food and adds digestive juices. | stomach |
| The ________________ carries food to the stomach. | esophagus |
| The _______________________ is a tube of nerves that runs through your spine. | spinal cord |
| Choose 2 body systems and explain how they work together in the human body. | *Answers will vary. Possible pairings of systems: skeletal & muscular respiratory & circulatory nervous & ANY other system digestive & circulatory |