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Chemical Coordination and integration — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYChemical Coordination and integration1 Mark
MCQ
Adrenaline directly affects.
  • ✓
    $SA$ node.
  • B
    $\beta-$cells of Langerhans.
  • C
    Dorsal root of spinal cord.
  • D
    Epithelial cells of stomach.
✓

Answer

Correct option: A.
$SA$ node.

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