| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.23 |
| Score | 0% | 65% |
During digestion, after proteins are broken down where does the undigested food go next?
esophagus |
|
large intestine |
|
stomach |
|
small intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
The __________ is a system of muscles that allows breathing.
bronchioles |
|
trachea |
|
pulmonary |
|
diaphragm |
The diaphragm is a system of muscles that allows breathing. During inhalation, the diaphragm expands and air rushes in to fill the space created. Then, during exhalation, the diaphragm contracts and forces the air back out.
During digestion, the kidneys filter substances from the blood. Which of the following is not filtered by the kidneys?
fats |
|
salt |
|
water |
|
minerals |
Chemical waste like excess water, minerals, and salt are filtered from the blood by the kidneys and secreted into the urine. Urine is transported from the kidneys to the bladder through ureters.
Minerals, vitamins, and fiber are:
proteins |
|
micronutrients |
|
macronutrients |
|
carbohydrates |
Minterals, vitamins, and fiber are micronutrients while proteins, carbohydrates, and fats are macronutrients.
In the foood chain, producers serve as a food source for other organisms. Typical producers are plants that can make their own food through photosynthesis and certain bacteria that are capable of converting inorganic substances into food through:
chemosynthesis |
|
photosynthesis |
|
decomposition |
|
autotrophs |
Producers (autotrophs) serve as a food source for other organisms. Typical producers are plants that can make their own food through photosynthesis and certain bacteria that are capable of converting inorganic substances into food through chemosynthesis