Dopamine is a chemical released by neurons to send signals to other nerve cells. the brain includes several distinct dopamine pathways, one of which plays a major role in reward motivated behavior.
smoking is a habit, in a habit there is the cue, routine, and reward. with smoking the cue can be different things, most commonly stress or anxiety. the routine how you react to those cues, the reward is the chemical 'triggers' that are pulled inside you're brain leaving you feeling calm, happy, or relieved, etc.
A third-degree burn would be less painful than a first- or second-degree burn involving the same body area because of the destruction of underlying pain receptors.
Nerve endings are destroyed in third-degree burns, which means that a person can no longer feel pain in that particular spot on the body. Third-degree burns are the most severe ones and cannot be treated easily - usually skin grafting or synthetic skin has to be used to replace the burnt skin.
They protect bacterial cells from white blood cells.
Answer:
<h2>
Diseases transmitted through sexual contact are sexually transmitted diseases. Individuals having more than one sexual partners and doing unprotected sex are more prone to sexually transmitted diseases.</h2>
Explanation:
Individuals having more than one sexual partners and doing unprotected sex are more prone to sexually transmitted diseases. Here, the college student has more than one partner and not always use the condoms. So, she is prone to have sexually transmitted diseases if her partner are infected. Presence of warts indicates that she might have infected with Human Papillomavirus (HPV). HPV is a sexually transmitted infection (STI).
