Why is the sense of smell associated with memories and emotions?
What will be an ideal response?
Odor molecules dissolve in the mucous of the nasal cavities and bind to the hairs on the olfactory receptors found in these passages. Once the threshold is reached, the message is sent to the olfactory bulbs of the brain. The olfactory bulbs transmit the message to the limbic system, which is also associated with emotion and memory. Many odors are associated with memories, whether positive or negative.
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What is the most abundant protein in the human body?
a. polysaccharides b. elastin
c. collagen d. amino acid e. triglycerides
In the human systemic circuit, blood will pass through all but which of the following?
a. liver b. limbs c. lungs d. digestive organs e. brain
Suppose that a man and woman have a son with a rare genetic disorder known to be X-linked. There is no occurrence of the disorder on the woman's side of the family, but the man's brother has it, as does her father. What is the probability that the son's defective allele came from the man?
a. 0% b. 25% c. 50% d. 100%
gamete
What will be an ideal response?