| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.46 |
| Score | 0% | 69% |
The respiratory and circulatory systems are similar in that they:
transport nutrients |
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transport oxygen |
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deoxygenate blood |
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add carbon dioxide |
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.
What part of the brain is responsible for the major senses (thinking, hearing, seeing)?
brainstem |
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cerebellum |
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medulla |
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cerebrum |
The cerebrum is the major part of the brain and is responsible for the main senses (thinking, hearing, seeing).
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
blood cells |
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diaphragms |
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bronchioles |
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capillaries |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.
A subatomic particle that orbits the nucleus of an atom. It carries a negative electric charge. This desribes which of the following?
isotope |
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electron |
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neutron |
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proton |
An electron is a subatomic particle that orbits the nucleus of an atom. It carries a negative electric charge. Generally, an atom has the same number of negative electrons orbiting the nucleus as it does positive protons inside.
In the classification of life, which of the following is not a kingdom?
plants |
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bacteria |
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fungi |
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animals |
Below domain, life is classified into six kingdoms: plants, animals, archaebacteria, eubacteria, and fungi. The last kingdom, protists, include all microscopic organisms that are not bacteria, animals, plants or fungi. (Archaebacteria and eubacteria are sometimes combined into a single kingdom, monera.)