| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.42 |
| Score | 0% | 68% |
Leafy vegetables, beans, potatoes, fruits, and whole grains are good sources of:
saturated fat |
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unsaturated fat |
|
protein |
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fiber |
Fiber provides bulk to help the large intestine carry away waste. Good sources of fiber are leafy vegetables, beans, potatoes, fruits, and whole grains.
"For every action, there is an equal and opposite reaction." This describes which of Newton's laws of motion?
third |
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first |
|
fourth |
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second |
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.
The heart __________ blood.
oxygenates |
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filters |
|
creates |
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deoxygenates |
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.
Earth's history is divided into time periods, which of these is the longest time period?
age |
|
eon |
|
era |
|
epoch |
The Earth is approximately 4.6 billion years old and its history is divided into time periods based on the events that took place and the forms of life that were dominant during those periods. The largest graduation of time is the eon and each eon is subdivided into eras, eras into periods, periods into epochs, and epochs into ages.
During digestion, after proteins are broken down where does the undigested food go next?
esophagus |
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small intestine |
|
stomach |
|
large intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.