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STD 11 - 19. Chemical coordination and integration — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 19. Chemical coordination and integration1 Mark
MCQ
When a normal heart is injected with physiological concentration of adrenalin, it shows
  • A
    Decreased rate
  • B
    Systolic arrest
  • C
    Sustained increased rate
  • ✓
    First increased rate than normal rate
✓

Answer

Correct option: D.
First increased rate than normal rate
d
It's Obvious

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