Options? and I think its skeletal system.
Answer:
Adenosine.
Explanation:
Adenosine is a neurotransmitter that is created in the brain and when it binds to the adenosine receptors, it slows down nerve activity and it creates a sensation of drowsiness.
<u>Caffeine</u> looks like adenosine to the receptors, therefore, when we have caffeine, <u>it binds to these receptors and there is no room left for the adenosine to bind</u>. However, the caffeine doesn't slow down nerve activity but, in the contrary, it speeds it up.
Therefore we can tell that caffeine blocks the receptors for the adenosine thus promoting wakefulness.
The answer is d, if psychological needs are not met
Answer:
When a child is choking and can't breathe or speak, you MUST give abdominal thrusts (the Heimlich maneuver). The Heimlich maneuver pushes air from the child's lungs which helps to remove the blocking object. You should give abdominal thrusts until the object is forced out or the victim becomes unresponsive.
Explanation:
