| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.56 |
| Score | 0% | 71% |
The crust and upper mantle of the earth is called the:
lithosphere |
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hydrosphere |
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atmosphere |
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geosphere |
The biosphere is the global ecological system integrating all living beings and their relationships. This includes their interactions with the lithosphere (the rigid outer part of the earth, consisting of the crust and upper mantle), hydrosphere (all surface water), and atmosphere (the envelope of gases surrounding the planet).
What part of the brain is responsible for the major senses (thinking, hearing, seeing)?
medulla |
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cerebrum |
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cerebellum |
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brainstem |
The cerebrum is the major part of the brain and is responsible for the main senses (thinking, hearing, seeing).
The brain and spinal cord make up the __________ nervous system.
peripheral |
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somatic |
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autonomic |
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central |
The nervous system consists of the brain and spinal cord (central nervous system) and the peripheral nervous system which is the network of nerve cells (neurons) that collect and distribute signals from the central nervous system throughout the body.
Saturated fats can __________ LDL ("bad") cholesterol while unsaturated fats can __________ it.
raise, decrease |
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stabilize, raise |
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decrease, stabilize |
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decrease, raise |
Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.
Poor balance could indicate an issue with which part of the nervous system?
medulla |
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spinal cord |
|
cerebellum |
|
cerebrum |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.