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प्रश्न
Our hair stands on their ends during fear.
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उत्तर
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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संबंधित प्रश्न
Name the hormone responsible for the following function:
Increase in heartbeat.
Some adult women may develop facial hairs. What may be the cause for it?
Give the Technical Term: Name the gland in the body that secretes the so-called ‘Emergency hormone’.
Short answer question
Explain how the adrenal medulla and sympathetic nervous system function as a closely integrated system.
______ is a mineralocorticoid secreted by Adrenal gland.
Describe any two hormones produced by the ovaries.
Answer the questions after observing the diagram given below.
- What acts as the first messenger?
- Why can’t hormones like catecholamines enter their target cells through plasma membrane?
- Name the mode of hormone action shown in the diagram.
Sanjay is sitting in the exam hall. Before the start of the exam, he sweats a lot, with an increased rate of heartbeat. Why does this condition occur?
Which gland is represented by 'X' in the given diagram?
List any two effects of adrenaline.
