| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.21 |
| Score | 0% | 64% |
As part of digestion, the liver produces bile which breaks down:
fat |
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starches |
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sugars |
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protein |
The liver produces bile which emulsifies (separates) fat.
Which of the following is the formula for power?
\(P = {w \over t}\) |
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\(P = \vec{w}t\) |
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\(P = w t\) |
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\(P = {\vec{w} \over t}\) |
Power is the rate at which work is performed or work per unit time: \(P = {w \over t}\) and is measured in watts (W).
In the classification of life, which of the following is not a domain?
animalia |
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archaea |
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eukaryota |
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bacteria |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
Bronchioles, alveolus, and capillaries are vital parts of which bodily system?
nervous |
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digestion |
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respiration |
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circulation |
The trachea branches into the left and right bronchi which each lead to a lung where the bronchi subdivide into smaller tubes called bronchioles. Each bronchiole ends in a small sac called an alveolus which allows oxygen from the air to enter the bloodstream via tiny blood vessels called capillaries.
What part of the brain is responsible for for balance, movement, and muscle coordination?
medulla |
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brainstem |
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cerebellum |
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cerebrum |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.