| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.26 |
| Score | 0% | 65% |
Poor balance could indicate an issue with which part of the nervous system?
spinal cord |
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cerebrum |
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cerebellum |
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medulla |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.
Which of these represents the path of blood flow through the heart?
left atrium → left ventricle → lungs → right atrium → right ventricle |
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right atrium → left ventricle → lungs → left atrium → right ventricle |
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right atrium → right ventricle → lungs → left atrium → left ventricle |
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left atrium → right ventricle → lungs → left atrium → right ventricle |
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.
Which of these is not a phase in cell division?
cytokinesis |
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anaphase |
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interphase |
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megaphase |
Cell division is the process by which cells replicate genetic material in the nucleus and consists of several phases, beginning with interphase and ending with cytokinesis.
The gravitational interaction of Earth and the Moon is responsible for which of these?
day and night cycle |
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the northern lights |
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seasons |
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tides |
Tides are caused by the gravitational interaction of Earth and the Moon.
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.