| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.30 |
| Score | 0% | 66% |
The connective tissue that connects bones to other bones at joints is called:
knuckles |
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cartilage |
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tendons |
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ligaments |
Tough fibrous cords of connective tissue called tendons connect muscles to the skeleton while another type of connective tissue called ligaments connect bones to other bones at joints (elbow, knee, fingers, spinal column).
Which of the following is the primary difference between a comet and an asteroid?
comets orbit the Sun |
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asteroids contain frozen water |
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asteroids have a coma |
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comets have an atmosphere |
A comet is a loose collection of ice, dust, and small rocky particles that, in contrast to an asteroid, has an extended atmosphere surrounding the center. When passing close to the Sun, this atmosphere warms and begins to release gases forming a visible coma or tail.
An air mass is a large body of air that has which of the following characteristics?
similar density |
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all of these |
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similar temperature |
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similar moisture |
An air mass is a large body of air that has similar moisture (density) and temperature characteristics. A front is a transition zone between two air masses.
__________ is caused by a lack of Vitamin C.
anemia |
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diabetes |
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scurvy |
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shingles |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.
In the heart, blood flows from the __________ ventricle to the lungs then back to the heart via the __________ atrium.
right, left |
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right, right |
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left, right |
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left, left |
The two largest veins in the body, the venae cavae, pass blood to the right ventricle which pumps the blood to the lungs through the pulmonary artery. Blood picks up oxygen in the lungs and returns it to the left atrium via the pulmonary vein.