| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.53 |
| Score | 0% | 71% |
The ovum and oviduct are part of which bodily system?
digestive |
|
reproductive |
|
circulatory |
|
nervous |
Approximately every 28 days during female ovulation an egg (ovum) is released from one of the ovaries and travels through the oviduct (fallopian tube) and into the uterus. At the same time, the endometrial lining of the uterus becomes prepared for implantation.
What prevents blood pumped out of the ventricles from flowing back into the heart?
atria |
|
valves |
|
capillaries |
|
platelets |
The heart is the organ that drives the circulatory system. In humans, it consists of four chambers with two that collect blood called atria and two that pump blood called ventricles. The heart's valves prevent blood pumped out of the ventricles from flowing back into the heart.
__________ is caused by a lack of Vitamin C.
shingles |
|
diabetes |
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scurvy |
|
anemia |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.
The pitch of the siren of an approaching ambulance changes as it approaches you. This is an example of which of the following?
sound radiation |
|
refraction |
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reflection |
|
Doppler effect |
The Doppler effect occurs when the source or listener (or both) of sound waves is moving. If they're moving closer together, the listener perceives the sound with a higher pitch and, when they're moving apart, the listener perceives the sound with a lower pitch.
In the metric system, what prefix represents 103?
mega |
|
milli |
|
centi |
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kilo |
Kilo is the metric system prefix for 103.