The heart-damaging chemical found in the blood that's associated with long-term depression is                a.  endorphins.      b.  neurotransmitters.      c.  homocysteine.      d.  adrenaline.

Panic attacks can be extremely disabling to the people who experience them. in a few sentences, describe the symptoms of panic disorder and why it can be so disabling in a person’s life.

If babies are consistently placed on their backs without any restrictions, what will happen to their development? a. they suffer from weakness in certain muscle groups. b. their ability to roll over, crawl, and eventually walk is hindered. c. they suffer brain damage from the pressure on the back of the head. d. they learn to roll over, crawl, and eventually walk on their own.

Mini dentist offices prefer preset trays because the use of these trays