| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.57 |
| Score | 0% | 71% |
The ovum and oviduct are part of which bodily system?
circulatory |
|
digestive |
|
reproductive |
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nervous |
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.
Which of these foods should a person with high cholesterol avoid?
olive oil |
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eggs |
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vegetable oils |
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avocados |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils). Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.
An endoskeleton (internal skeleton) is a charateristic of __________ animals, including humans.
spiny |
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arthropod |
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sentient |
|
vertebrate |
An endoskeleton (internal skeleton) is a charateristic of vertebrate animals, including humans.
Small rocks shed by asteroids and comets that reach the earth are called:
meteorites |
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shooting stars |
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meteors |
|
meteoroids |
Smaller rocks shed by asteroids and comets are called meteoroids. When these rocks reach Earth's atmosphere, they burn up in the mesosphere and become meteors. If a meteor manages to reach the Earth, it is called a meteorite.
"For every action, there is an equal and opposite reaction." This describes which of Newton's laws of motion?
third |
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second |
|
fourth |
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first |
Newton's third law of motion states that For every action, there is an equal and opposite reaction. When an object exerts a force on another object, the second object exerts a force of equal magnitude in the opposite direction on the first object.