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Body Systems

Digestive, Respiratory & Circulatory

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