| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.78 |
| Score | 0% | 56% |
During digestion, after proteins are broken down where does the undigested food go next?
stomach |
|
esophagus |
|
small intestine |
|
large intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
Cirrus clouds generally occur in what kind of weather?
freezing |
|
hot |
|
stormy |
|
fair |
Cirrus clouds are thin, wispy high-altitude clouds composed of ice crystals that originate from the freezing of supercooled water droplets. Cirrus clouds generally occur in fair weather and point in the direction of air movement at their elevation.
In the food chain, omnivores may be which of the following?
secondary or tertiary consumers |
|
primary or secondary consumers |
|
primary or tertiary consumers |
|
secondary consumers or scavengers |
Secondary or tertiary consumers may be omnivores.
The universal recipient blood type can recieve any other blood type. Which blood type is the universal recipient?
O |
|
AB |
|
O-negative |
|
AB-positive |
Blood transfer is limited by the type and Rh factor of the blood. Someone who has Rh-factor negative blood cannot receive blood with a positive type but a person with Rh-factor positive type blood can receive Rh-negative blood. Type O negative blood is the universal donor because it can be given to a person with any blood type. Type AB positive is the universal recipient meaning someone with this blood type can receive any other type of blood.
A human heart consists of how many chambers?
2 |
|
4 |
|
8 |
|
1 |
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.