Term
| Which of the following organisms does NOT have a closed circulatory system? |
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Definition
| Both a) and d) are correct answers. |
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Term
| Both red blood cells and white blood cells are derived from cells in: |
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Definition
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Term
| Which of the following is the correct pathway air takes during a human inhalation? |
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Definition
| nasal passage; pharynx; trachea; bronchi; bronchioles; alveoli |
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Term
| Llama hemoglobin has a higher affinity for oxygen. This is because: |
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Definition
| llamas evolved under conditions where the oxygen concentration (pO2) of the air is lower. |
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Term
| Which of the following is NOT a component of the blood plasma? |
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Definition
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Term
| Which of the following is NOT measured by a polygraph? |
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Definition
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Term
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Definition
| provide support to gill filaments |
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Term
| Why do cells require oxygen gas? |
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Definition
| Cells need oxygen in order to convert sugar into ATP energy. |
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Term
| Which of the following best describes the inhalation process? |
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Definition
| The diaphragm and intercostal muscles contract. The diaphragm is pulled lower, causing the rib cage to expand. The rapid increase in volume of the chest cavity causes air to be sucked into the lungs. |
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Term
| The three principle functions of the vertebrate circulatory system are: |
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Definition
| transport, protection, and body temperature regulation |
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Term
| What might be the explanation for why crocodiles, but not other reptiles, have an "extra" artery to direct blood to the tissues directly from the right ventricle? |
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Definition
| Crocodiles spend more time underwater and sending blood to inactive lungs makes no sense. |
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Term
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Definition
| two partially separated circuits of blood flow. |
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Term
| In human lungs, the windpipe branches into two bronchi. The bronchi then branch several times to become: |
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Definition
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Term
| Which of the following values indicate a realistic blood pressure reading for a person with LOW blood pressure? |
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Definition
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Term
| Blood has many important functions that are vital to our everyday existence. Which of the following is NOT one of these functions? |
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Definition
| Blood keeps our bodies at homeostasis by maintaining a pH of 4.7. |
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Term
| Which of the following organisms has an open circulatory system? |
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Definition
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Term
| Animals like jellyfish and cnidarians acquire nutrients and oxygen by: |
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Definition
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Term
| Oxygen is carried by the protein hemoglobin, which can be found in: |
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Definition
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Term
| The hardening of arteries is known as: |
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Definition
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Term
| Which of the following best describes how the ventricles of the heart contract? |
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Definition
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