| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.62 |
| Score | 0% | 72% |
Tough fibrous cords of connective tissue that connect muscles to the skeleton are called:
cartilage |
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vertebra |
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ligaments |
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tendons |
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 blood component allows blood to clot?
platelets |
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white blood cells |
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plasma |
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red blood cells |
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.
Poor balance could indicate an issue with which part of the nervous system?
medulla |
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cerebellum |
|
cerebrum |
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spinal cord |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.
The number system most used in science is the:
British system |
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metric system |
|
English system |
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American system |
The metric system is a number system that designates one base unit for each type of measurement. For example, the base unit for length is the meter and the base unit for mass is the gram.
In the metric system, what prefix represents 103?
kilo |
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mega |
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milli |
|
centi |
Kilo is the metric system prefix for 103.