| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.09 |
| Score | 0% | 62% |
The ovum and oviduct are part of which bodily system?
reproductive |
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circulatory |
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nervous |
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digestive |
Approximately every 28 days during female ovulation an egg (ovum) is released from one of the ovaries and travels through the oviduct (fallopian tube) and into the uterus. At the same time, the endometrial lining of the uterus becomes prepared for implantation.
In the food chain, omnivores may be which of the following?
secondary consumers or scavengers |
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primary or tertiary consumers |
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primary or secondary consumers |
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secondary or tertiary consumers |
Secondary or tertiary consumers may be omnivores.
What type of cloud is responsible for fog?
cumulonimbus |
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cirrus |
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cumulus |
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stratus |
Clouds are categorized based on their shape, size, and altitude. Stratus clouds are low-altitude clouds characterized by horizontal layering with a broad flat base. When stratus clouds occur on the ground the result is fog.
Absolute zero is which of the following?
the freezing point of hydrogen |
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the coldest temperature possible in the universe |
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0°C |
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the freezing point of oxygen |
In contrast to the Celsius scale (measured in degrees centigrade) that fixes 0° at the freezing point of water and the Fahrenheit scale that uses 32°, the Kelvin scale fixes 0 at absolute zero (-273°C) which is the lowest temperature possible in the universe.
In the heart, blood flows from the right __________ to the lungs then back to the heart via the left __________.
atrium, atrium |
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ventricle, atrium |
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ventricle, ventricle |
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atrium, ventricle |
The two largest veins in the body, the venae cavae, pass blood to the right ventricle which pumps the blood to the lungs through the pulmonary artery. Blood picks up oxygen in the lungs and returns it to the left atrium via the pulmonary vein.