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Our hair stands on their ends during fear. - Biology

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Question

Our hair stands on their ends during fear.

Answer in Brief

Solution

During fear adrenal medulla secretes adrenaline which prepares the body to face fear by increasing heart beat, blood pressure and energy production. That is why our hair stands on their during fear.

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Human Endocrine Glands - Adrenal Gland (Suprarenal Gland)
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Chapter 9: The Endocrine System - Give Reasons

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ICSE Biology [English] Class 10
Chapter 9 The Endocrine System
Give Reasons | Q 10
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