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NEET 2002
Exam
NEET
Year
2002
Subject
Zoology
Chapter
Chemical Coordination and Integration

NEET 2002 · Zoology · Chemical Coordination and Integration

Adrenalin directly affects:

Adrenalin directly affects:

Options

  1. ASA node
  2. Bβ\beta cells of Langerhans
  3. Cdorsal root of spinal cord
  4. Depithelial cells of stomach

Correct answer

A. SA node

Step-by-step solution

Adrenaline prepares the body for emergency reactions like fight and flight. Therefore, it directly affects the SA node to increase the rate of heart beat. Related Theory Adrenaline is a hormone released from the adrenal glands and together with noradrenaline, is to prepare the body for 'fight or flight'.
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