| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.36 |
| Score | 0% | 67% |
__________ and __________ pair to strengthen bones.
vitamin D, calcium |
|
iron, calcium |
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vitamin D, magnesium |
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calcium, vitamin A |
Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.
In the pancreas, lipase converts fat to:
complex carbohydrates |
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glycerol and fatty acids |
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simple sugars |
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amino acids |
The acids produced by the pancreas contain several enzymes that aid in digestion. Lipase converts fat to glycerol and fatty acids. Pancreatic amylase breaks down complex carbohydrates into simple sugars. Trypsin converts polypeptides (the building blocks of protein) into amino acids.
Force is measured in newtons (N) with 1 N being the force required to impart an acceleration of:
1 mph to a mass of 1 kg |
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1 m/s to a mass of 1 kg |
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1 m/s2 to a mass of 1 kg/s2 |
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1 m/s2 to a mass of 1 kg |
Weight is a force that describes the attraction of gravity on an object. Force is measured in newtons (N) with 1 N being the force required to impart an acceleration of 1 m/s2 to a mass of 1 kg.
What is a major difference between the somatic and autonomic nervous systems?
one is inherited, the other is learned |
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each belongs to a different nervous system |
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one controls voluntary activity, one controls involuntary activity |
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one controls thinking, the other controls feeling |
Both are part of the peripheral nervous system. The somatic nervous system sends sensory information to the central nervous system and controls voluntary actions while the autonomic nervous system regulates involuntary activity in the heart, stomach, and intestines.
Blood is created in:
bone marrow |
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red blood cells |
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the heart |
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the liver |
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.