| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.08 |
| Score | 0% | 62% |
Which of these is matter than cannot be separated into different types of matter by ordinary chemical methods?
atom |
|
compound |
|
molecule |
|
element |
An element is matter than cannot be separated into different types of matter by ordinary chemical methods.
Which of these foods should a person with high cholesterol avoid?
olive oil |
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vegetable oils |
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eggs |
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avocados |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils). Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.
Which of these does not contain oxygenated blood?
right atrium |
|
left ventricle |
|
pulmonary vein |
|
aorta |
To provide oxygen to the body, blood flows through the heart in a path formed by the right atrium → right ventricle → lungs → left atrium → left ventricle → body. When blood enters the right side of the heart it is deoxygenated. It enters the left side of the heart oxygenated after traveling to the lungs.
Examples of tertiary consumers include:
sharks |
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cows |
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chickens |
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fish |
Tertiary consumers eat primary consumers and secondary consumers and are typically carnivorous predators. Tertiary consumers may also be omnivores. Examples include wolves, sharks, and human beings.
Food is mixed with gastric acid and pepsin in the __________ to help break down protein.
large intestine |
|
stomach |
|
mouth |
|
small intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.