| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.12 |
| Score | 0% | 62% |
The __________ nervous system regulates involuntary activity in the heart, stomach, and intestines.
somatic |
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peripheral |
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central |
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autonomic |
Part of the peripheral nervous system, the autonomic nervous system regulates involuntary activity in the heart, stomach, and intestines.
In cell biology, cytokinesis results in two separate:
cells |
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chromatids |
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nuclei |
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chromosomes |
During cell division, the cytokinesis phase occurs when cytoplasm and cell membranes complete their separation resulting in two separate cells.
In the heart, the __________ artery and vein manage blood flow to the lungs.
pulmonary |
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aorta |
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atrial |
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capillary |
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.
Minerals, vitamins, and fiber are:
proteins |
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carbohydrates |
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macronutrients |
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micronutrients |
Minterals, vitamins, and fiber are micronutrients while proteins, carbohydrates, and fats are macronutrients.
Which of the following is the formula for power?
\(P = {\vec{w} \over t}\) |
|
\(P = w t\) |
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\(P = \vec{w}t\) |
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\(P = {w \over t}\) |
Power is the rate at which work is performed or work per unit time: \(P = {w \over t}\) and is measured in watts (W).