| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.45 |
| Score | 0% | 69% |
During digestion, after proteins are broken down where does the undigested food go next?
large intestine |
|
small intestine |
|
stomach |
|
esophagus |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
The brain and spinal cord make up the __________ nervous system.
somatic |
|
central |
|
peripheral |
|
autonomic |
The nervous system consists of the brain and spinal cord (central nervous system) and the peripheral nervous system which is the network of nerve cells (neurons) that collect and distribute signals from the central nervous system throughout the body.
An asteroid belt holds many of the asteroids in our solar system. It is located between the orbits of which planets?
Mars and Jupiter |
|
Jupiter and Saturn |
|
Mercury and Venus |
|
Mars and Earth |
The solar system also contains over a million rocky fragments of at least 1km in diameter called asteroids as well as millions more with smaller diameters. Many of these asteroids are an asteroid belt between the orbits of Mars and Jupiter.
A human heart consists of how many chambers?
4 |
|
1 |
|
8 |
|
2 |
The heart is the organ that drives the circulatory system. In humans, it consists of four chambers with two that collect blood called atria and two that pump blood called ventricles. The heart's valves prevent blood pumped out of the ventricles from flowing back into the heart.
These clouds grow upward and can develop into cumulonimbus or thunderstorm clouds.
cirrus clouds |
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cumulus clouds |
|
nimbus clouds |
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stratus clouds |
Cumulus clouds are large, puffy, mid-altitude clouds with a flat base and a rounded top. These clouds grow upward and can develop into a cumulonimbus or thunderstorm cloud.