Heart beats are accelerated by - Vidyadip

MCQ

Heart beats are accelerated by

A
Cranial nerves and acetylcholine
B
Sympathetic nerves and acetylcholine
C
Cranial nerves and adrenaline
✓
Sympathetic nerves and epinephrine

✓

Answer

Correct option: D.

Sympathetic nerves and epinephrine

d
It’s obvious.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 11 - 15. Body fluids and criculations→STD 11 - 15. Body fluids and criculations — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Cyclostomata belongs to which division?

Choose the correct statements

Pacemaker of heart is:

Capable of infecting infected tobacco plants. The juice of a healthy tobacco plant is also said by:

In cambium, amount of secondary xylem produced is more than secondary pholen because..........

Sunflower belongs to the family

In grana of chloroplast, the reaction $A D P+P_{1}=ATP$ during day shows

Enzyme can be made functionless by

Abundant pith is characteristic of

Thorns differ from prickles in having