| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.37 |
| Score | 0% | 67% |
What part of the brain is responsible for for balance, movement, and muscle coordination?
cerebellum |
|
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.
__________ and __________ pair to strengthen bones.
calcium, vitamin A |
|
vitamin D, magnesium |
|
iron, calcium |
|
vitamin D, calcium |
Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.
Convert -20C° to F°.
36 |
|
-4 |
|
78 |
|
-36 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(-20) + 32\)
\(F° = {-180 \over 5} + 32\)
\(F° = -36 + 32 = -4\)
What is the body's largest artery?
arteriole |
|
vena cava |
|
capillary |
|
aorta |
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.
When two air masses meet and neither is displaced, what kind of front is present?
warm |
|
cold |
|
stationary |
|
occluded |
When two air masses meet and neither is displaced, a stationary front is created. Stationary fronts often cause persistent cloudy wet weather.