Circulatory, respiratory, excretory, and digestive system
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Created by:
melissaarias on June 2, 2011
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24 terms
Terms | Definitions |
|---|---|
 blood | It is a liquid tissue made up mostly of red blood cells, white blood cells, and a liquid called plasma. |
| blood carries: | food, oxygen and water to the body's cells and removes waste from cells. |
| Heart | is part of an organ system called the circulatory system. |
| The circulatory system's job: | to move blood through the body. |
| open circulatory system: | insects and other invertebrates have this circulatory system. |
| sponges and cnidarrians : | do not need a circulatory system because materials can move freely in and out of each thin body layer. |
| excretory system | this system removes liquid waste from the body |
| digestive stystem | this system breaks down food inside the body so our cells can use it for energy. |
| large intestine | solid wastes pass through this organ until it is eliminated from the body. |
| kidneys | this organ filter waste from the blood |
| urine | waste is concentrated into this liquid. |
| esophagus | the tube that food flows down to go into the stomach. |
| amphibian | has a heart with 3 chambers. |
| blood vessels: | tubelike structures that carry blood throughout the body |
| closed circulatory system: | all vertebrates , more complex invertebrates like earthworm |
| oxygen | the circulatory system's job is to move it through the body. Gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells |
| chambers | large, hollow areas that receive incoming blood from the lungs and tissues and ship it out again. It allows blood carrying waste and oxygen to mix. Parts of the heart. |
| fish | has a simple heart with 2 parts/chambers. |
| amphibian | has three chambers. has 3 parts/chambers |
| mammals and most complex animals | have hearts with 4 chambers. |
| The respiratory system | become more complex in more complex animlas. |
| respiratory system | brings oxygen to body cells and removes the waste gas carbon dioxide. |
| fish and young amphibians | have gills to breathe. Examples: tadpoles, gold-fish |
| diagram | mammals have this muscle below the lungs. |
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