<p><strong>1.Why Does It Sometimes Hurt When We Cut Our Nails?</strong></p>
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<ul>
<li>The roots of our nails comprise the living cells.</li>
<li>We trim the dead part of the nail. But when we cut it too deep, it reaches the live cells, which have sensations and hurts.</li>
</ul>
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<div class="learn-image"><img src="https://cdn-cms.orchidsinternationalschool.com/media/answer/7-7.jpg"></div>
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<p><strong>2.What Is Cartilage? Why Is It Necessary for Our Bodies?</strong></p>
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<ul>
<li>Cartilage is a kind of tissue that help to join a bone with another bone.</li>
<li>Cartilage is flexible and allows the movements of the body.</li>
</ul>
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<p><strong><img src="https://cdn-cms.orchidsinternationalschool.com/media/answer/8-6_1.jpg"></strong></p>
<p><strong>3.What Is the Role of the Nervous System in the Human Body?</strong></p>
<ul>
<li>The nervous system plays a vital role in the control and coordination of our body.</li>
<li>It comprises the brain and the nerves. The brain is located inside the skull and the nerves spread throughout the body.</li>
<li>These nerves help the external stimulus to reach the brain, and the brain commands the body to act accordingly.<br><br></li>
</ul>
<p><strong><img src="https://cdn-cms.orchidsinternationalschool.com/media/answer/6-8.jpg"></strong></p>

Explore the major organs of the human body. Learn about their functions, importance, and how they work together to maintain health.

Organs of the Human Body