| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.28 |
| Score | 0% | 66% |
Which of these is not a type of fat?
monounsaturated |
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polyunsaturated |
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saturated |
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cholesterol |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils).
What part of the nervous system controls simple reflexes?
autonomic |
|
medulla |
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spinal cord |
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cerebrum |
The spinal cord connects the brain to the body's network of nerves. It carries impulses between all organs and the brain and controls simple reflexes.
During digestion, after proteins are broken down where does the undigested food go next?
large intestine |
|
esophagus |
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small intestine |
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stomach |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
A subatomic particle found in the nucleus of an atom. It carries no electric charge. This desribes which of the following?
atom |
|
neutron |
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proton |
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electron |
A neutron is a subatomic particle found in the nucleus of an atom. It is neutral as it carries no electric charge.
Which of the following would you find in the side view mirror of a car?
convex lens |
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concave lens |
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concave mirror |
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convex mirror |
A concave (or converging) mirror bulges inward and focuses reflected light on the mirror's focal point where the mirror's angles of incidence converge. In contrast, a convex (or diverging) mirror bulges outward and diffuses the light waves that strike it. A common use of a concave mirror is in a reflecting telescope, a common use of a convex mirror is in the side view mirror of a car.