| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.97 |
| Score | 0% | 59% |
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
capillaries |
|
diaphragms |
|
bronchioles |
|
blood cells |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.
__________ is caused by a lack of Vitamin C.
diabetes |
|
scurvy |
|
anemia |
|
shingles |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.
Which of the following would you find in the side view mirror of a car?
concave lens |
|
convex lens |
|
convex mirror |
|
concave mirror |
A concave (or converging) mirror bulges inward and focuses reflected light on the mirror's focal point where the mirror's angles of incidence converge. In contrast, a convex (or diverging) mirror bulges outward and diffuses the light waves that strike it. A common use of a concave mirror is in a reflecting telescope, a common use of a convex mirror is in the side view mirror of a car.
In cell biology, cytokinesis results in two separate:
cells |
|
chromosomes |
|
chromatids |
|
nuclei |
During cell division, the cytokinesis phase occurs when cytoplasm and cell membranes complete their separation resulting in two separate cells.
Convert -20C° to F°.
78 |
|
-36 |
|
36 |
|
-4 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(-20) + 32\)
\(F° = {-180 \over 5} + 32\)
\(F° = -36 + 32 = -4\)