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circulatory system
| Question | Answer |
|---|---|
| the human heart has _ chambers. | four |
| mammals, birds and crocodilians have how many chambers? | four |
| reptiles and amphibians have ____ ? | three |
| what are the upper chambers called? | atria |
| what are the lower chambers called? | ventricles |
| what does type of blood does the right side of the heart receive? | deoxygenated blood |
| where does the blood in the right side of the heart get pumped to? | the lungs to get oxygen |
| what does type of blood does the left side of the heart receive? | oxygenated blood |
| where does the blood in the left side get pumped to? | the whole body |
| what does anatomical position mean? | it means you picture the heart as if it were in the chest of someone facing you |
| what is the name of the position that tells you to picture the heart as if it were in the chest of someone facing you | anatomical position |
| where do the arteries take blood to? | AWAY from the heart |
| what do type of blood do the arteries always carry? | oxygenated blood |
| what is the name of the only artery that takes deoxygenated blood to the lungs? | pulmonary artery |
| what is the pulmonary artery? | the only artery that takes deoxygenated blood to the lungs |
| where do the veins take blood to? | TO the heart |
| what do type of blood do the veins always carry? | deoxygenated blood |
| what is the name of the only vein that takes oxygenated blood to the lungs? | pulmonary vein |
| what is the pulmonary vein? | the only vein that takes oxygenated blood to the lungs |
| what are arterioles? | smaller arteries |
| what do arterioles divide to? | capillaries |
| what are capillaries? | very tiny divisions of arterioles |
| what happens in the capillaries? | food and oxygen enter cells and waste and carbon dioxide leave cells |
| what are venules? | small veins; they join together to make veins |