| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.62 |
| Score | 0% | 72% |
The respiratory and circulatory systems are similar in that they:
transport oxygen |
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add carbon dioxide |
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transport nutrients |
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deoxygenate blood |
Like the respiratory system, the circulatory system serves to transport oxygen throughout the body while removing carbon dioxide. In addition, the circulatory system transports nutrients from the digestive system.
The Rh factor antigen in blood determines:
postive or negative |
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universal donor status |
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universal recipient status |
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blood type |
Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.
Which of the following is the narrowest classification of life?
domain |
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family |
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genus |
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species |
The narrowest classification of life, species, contains organisms that are so similar that they can only reproduce with others of the same species.
In the food chain, bacteria and fungi convert the organic matter in the dead bodies of plants and animals into simple nutrients. Bacteria and fungi are:
decomposers |
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scavengers |
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producers |
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primary consumers |
Decomposers (saprotrophs) are organisms such as bacteria and fungi that break down the organic matter in the dead bodies of plants and animals into simple nutrients.
What part of the brain is responsible for the major senses (thinking, hearing, seeing)?
brainstem |
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medulla |
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cerebrum |
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cerebellum |
The cerebrum is the major part of the brain and is responsible for the main senses (thinking, hearing, seeing).