| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.90 |
| Score | 0% | 58% |
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
blood cells |
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diaphragms |
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capillaries |
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bronchioles |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.
Which of the following does not represent the freezing point of water?
0°F |
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32°F |
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273K |
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0°C |
The Fahrenheit scale fixes the freezing point of water at 32°F, the Celsuis scale at 0°C, and the Kelvin scale at 273K.
These clouds grow upward and can develop into cumulonimbus or thunderstorm clouds.
stratus clouds |
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cirrus clouds |
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nimbus clouds |
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cumulus clouds |
Cumulus clouds are large, puffy, mid-altitude clouds with a flat base and a rounded top. These clouds grow upward and can develop into a cumulonimbus or thunderstorm cloud.
Which of these does not contain oxygenated blood?
aorta |
|
left ventricle |
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pulmonary vein |
|
right atrium |
To provide oxygen to the body, blood flows through the heart in a path formed by the right atrium → right ventricle → lungs → left atrium → left ventricle → body. When blood enters the right side of the heart it is deoxygenated. It enters the left side of the heart oxygenated after traveling to the lungs.
In the classification of life, bacteria, archaea and eukaryota are which of the following?
domains |
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classes |
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kingdoms |
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species |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.