HUMAN HAS A HEART WHILE A WORM HAS 5. A WORM DOES NOT WALK WHILE A HUMAN DOES. THEY BOTH ARE ORGANISMS.
Answer:
The correct answer is option B
b. Aaron is experiencing shrinkage of neurons.
Explanation:
Atrophy is a term used to describe lose of neurons in the brain and the connections between them. It is often associated with aging. As we grow old, our brain cells starts dying causing a shrinkage or reduction in brain volume. Atrophy can either be generalized (affecting all parts of the Brain) or focal(affecting a specific region of the brain).
Pregnenolone is produced from cholesterol and is a precursor to other steroid hormones, including progesterone, estrogen, testosterone, and DHEA. Pregnenolone levels decline with age, and a deficiency can lead to anxiety, mood imbalances, greater perceived stress, and poor cognitive function.