| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.40 |
| Score | 0% | 68% |
During digestion, after proteins are broken down where does the undigested food go next?
esophagus |
|
large intestine |
|
stomach |
|
small intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
Stratus clouds are __________clouds characterized by horizontal layering with a broad flat base.
mid-altitude |
|
low-altitude |
|
all-altitude |
|
high-altitude |
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.
These clouds grow upward and can develop into cumulonimbus or thunderstorm clouds.
stratus clouds |
|
cirrus clouds |
|
nimbus clouds |
|
cumulus 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.
Which of these represents the path of blood flow through the heart?
right atrium → left ventricle → lungs → left atrium → right ventricle |
|
left atrium → left ventricle → lungs → right atrium → right ventricle |
|
right atrium → right ventricle → lungs → left atrium → left ventricle |
|
left atrium → right ventricle → lungs → left atrium → right ventricle |
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.
The number system most used in science is the:
metric system |
|
British system |
|
American system |
|
English system |
The metric system is a number system that designates one base unit for each type of measurement. For example, the base unit for length is the meter and the base unit for mass is the gram.