<span>The high and low tide are caused by the gravitational forces between the earth and the moon</span>
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.
C. They are specialized tissues that form an organ system.
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Answer:
present
Explanation:
Otherwise the only similarity is that they are organelles, and can generate themselves.
C. Movement of the human body
Skeletal muscles gives us the ability to move