| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.56 |
| Score | 0% | 71% |
Which of the following states of matter exists at the highest temperature?
gas |
|
liquid |
|
solid |
|
none of these |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
capillaries |
|
blood cells |
|
bronchioles |
|
diaphragms |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.
What is the body's largest artery?
aorta |
|
arteriole |
|
capillary |
|
vena cava |
The aorta is the body's largest artery and receives blood from the pulmonary vein via the left ventricle. From there, blood is circulated through the rest of the body through smaller arteries called arterioles that branch out from the heart. Finally, blood is delivered to bodily tissues through capillaries.
In the food chain, bacteria and fungi convert the organic matter in the dead bodies of plants and animals into simple nutrients. Bacteria and fungi are:
producers |
|
decomposers |
|
primary consumers |
|
scavengers |
Decomposers (saprotrophs) are organisms such as bacteria and fungi that break down the organic matter in the dead bodies of plants and animals into simple nutrients.
What part of the brain is responsible for for balance, movement, and muscle coordination?
cerebellum |
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medulla |
|
cerebrum |
|
brainstem |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.