Term
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Definition
| Exchange nutrients, wastes, gasses with environment |
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Term
| 3 Things a circulatory system needs |
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Definition
1. fluid that circulates through the system
2. interconnected tubes/vessels that carry fluid
3. muscular pump; heart |
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Term
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Definition
| Part of circulatory system that brings blood to and from lungs |
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Term
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Definition
| Part of circulatory system that brings blood to and from all the tissues and organs other than the lungs |
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Term
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Definition
| the chamgers of the heart that receive blood from the veins and transfer it to the ventricles. Bird and mammalia hearts have two atria (left and right) |
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Term
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Definition
| chambers of the heart that receive blood from the atria and pump it out of the heart to the body. Bird and mammalian hearts have two (left and right). |
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Term
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Definition
| Blood vessels that carry blood away from heart |
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Term
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Definition
| vessels that carry blood from an artery to a capillary bed |
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Term
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Definition
| smallest part of the blood vessels, these permeate tissues and organs and is where the exchange of nutrients and gasses occurs between the circulatory system and the rest of the body |
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Term
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Definition
| blood vessels that carry blood from a capillary bed to the veins |
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Term
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Definition
| Blood vessels that carry blood to the heart |
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Term
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Definition
| carry blood between pairs of capillary beds |
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Term
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Definition
| carries blood from capillary beds in digestive system to capillary beds in liver |
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Term
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Definition
| (amphibians) cappilaries are in both lungs and skin |
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Term
| All vertebrates have what? |
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Definition
| a closed circulatory system |
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Term
| Compare amphibians and reptiles |
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Definition
| both have 3 chambered hearts and mechanisms to divert blood from lungs to rest of system when organism is underwater. |
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Term
| Where is the heart located? |
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Definition
| behind the sternum (breast bone) |
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Term
| Desribe the walls of atria and ventricles |
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Definition
| atria have very thin walls and ventricles are just a little thicker |
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Term
| Which ventricle pumps with greater force? |
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Definition
| The left, but pumps the same amount as the right ventricle. |
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Term
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Definition
| the left side of the heart receives and pumps only oxygen rich blood, the right receives and pumps on oxygen poor blood. |
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Term
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Definition
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Term
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Definition
| supply blood to the heart muscle |
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Term
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Definition
| where capillaries rejoin and convey blood back to the veins |
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