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Body Systems
Digestive, Respiratory & Circulatory
| Term | Definition |
|---|---|
| Cell | the smallest unit of living matter; all living organisms are made up of cells |
| Tissue | a group of similar cells that work together at the same job; examples include muscle tissue, blood tissue |
| Organ | a group of tissues working together to do a certain job; the heart, the stomach, brain and lungs are all organs |
| Circulatory system | the blood transportation system |
| Arteries | vessels that carry oxygen from heart to rest the body |
| Blood | fluid that circulates throughout your body carrying oxygen and nutrients to your cell |
| Blood vessels | tubes to carry the blood |
| Capillaries | the tiniest vessels that connect arteries to vein |
| Heart | is the cardiac muscle that has two pumps working side by side; the heart pumps blood through the blood vessels |
| Plasma | watery substance that helps the other cells to flow |
| Red blood cells | blood cells that carries oxygen and removes wastes |
| White blood cells | fights germs |
| Veins | vessels that carry carbon dioxide back to your heart |
| Respiratory System | the body's breathing system |
| Nasal Cavity | part of the nose, warms and partially cleans air coming into the body |
| Nicotine | highly addictive drug found in tobacco that makes it extremely difficult for smokers to guit |
| Larynx | the voice box |
| Trachea | the "windpipe" which brings air to the lungs |
| Bronchial tubes | branching tubes from the trachea to each lung |
| Lungs | two balloon-type organs, located in the chest, that fill with air |
| Alveoli | tiny air sacs in the lungs |
| Diaphragm | muscle that forces air in and out of the lungs |
| Digestive System | system to break food down into tiny nutrients which your body uses fof energy |
| Anus | solid waste exits the system through this body opening |
| Esophagus | "the food tube", carries food from mouth to stomach |
| Large intestine | 4' tube that recovers water and moves undigested food out of body |
| Liver | produces bile which also helps to break down food |
| Pancreas | produces digestive acids |
| Salivary glands | saliva produced here; saliva in the mouth moistens and starts to break down food |
| Small intestine | 16-20' tube that send food nutrients into the blood stream |
| Stomach | muscle that mashes food and holds digestive acids to break down food |
Created by:
ssmelody
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