| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.97 |
| Score | 0% | 59% |
In the metric system, what prefix represents 10-3?
kilo |
|
centi |
|
mega |
|
milli |
In the metric system, milli is the prefix for 10-3.
What part of the nervous system controls simple reflexes?
medulla |
|
cerebrum |
|
autonomic |
|
spinal cord |
The spinal cord connects the brain to the body's network of nerves. It carries impulses between all organs and the brain and controls simple reflexes.
Convert 5C° to F°.
27 |
|
-23 |
|
37 |
|
41 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(5) + 32\)
\(F° = {45 \over 5} + 32\)
\(F° = 9 + 32 = 41\)
In fermentation, what replaces oxygen in anaerobic respiration?
starches |
|
ascorbic acid or peptides |
|
water |
|
lactic acid or alcohol |
If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.
As part of digestion, the liver produces bile which breaks down:
fat |
|
sugars |
|
starches |
|
protein |
The liver produces bile which emulsifies (separates) fat.