| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.17 |
| Score | 0% | 63% |
Convert 5C° to F°.
27 |
|
-23 |
|
37 |
|
41 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(5) + 32\)
\(F° = {45 \over 5} + 32\)
\(F° = 9 + 32 = 41\)
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
diaphragms |
|
blood cells |
|
bronchioles |
|
capillaries |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.
An element in the physical state of __________ maintains neither a constant volume nor a constant shape.
plasma |
|
gas |
|
liquid |
|
solid |
The gaseous state occurs at a higher temperature range than the solid and liquid states of the same substance. In this state, molecules flow very freely around each other and will spread out as far as they're able. Gases maintain neither a constant volume nor a constant shape.
Blood is created in:
red blood cells |
|
the liver |
|
bone marrow |
|
the heart |
Blood is created in bone marrow and is made up of cells suspended in liquid plasma. Red blood cells carry oxygen, white blood cells fight infection, and platelets are cell fragments that allow blood to clot.
In taxonomy, domains are the broadest classification of life. How many domains are there?
5 |
|
3 |
|
dozens |
|
6 |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.