Answer:
The nasal passages filter and warm the air, and make it moist before it goes into the lungs. They also contain special cells that are involved in the sense of smell.
Explanation:
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Hypothalamic-pituitary-adrenal axis. It's principal effects are increased production of cortisol by the cortex of the adrenal gland.
Answer:
No; the study is based on a volunteer sample, which may be very different from a randomly selected one.
Explanation
Her plan cannot be effective because she could base her own judgenent on samples that was randomly selected for consideration.
