<p>Heard right. What is biology?</p>
<p>The study of homogenously catalyzed organic reactions in water.</p>
<p>What is chemistry?</p>
<p>The study of all matter and their reactions, catalyzed or uncatalyzed, homogenously or heterogenously, organic or inorganic, in any solution or even gas phase.</p>
<p>Now can you see the difference in broadness?</p>