Advertisements
Advertisements
प्रश्न
Assertion (A): Sympathetic nervous system prepares the body for violent action against abnormal conditions.
Reason (R): Sympathetic nervous system accelerates heartbeat.
Which of the following is correct?
पर्याय
Both A and R are True.
A is True, R is False.
A is False but R is True.
Both A and R are False.
Advertisements
उत्तर
Both A and R are True.
Explanation:
Catecholamine hormones (epinephrine and nor-epinephrine) released by sympathetic nerve systems raise heart rate. Our body so gets ready for fight or flight and becomes hyperactive or violent under uncommon circumstances.
संबंधित प्रश्न
The two antagonistic components of the autonomic nervous system are ______ and ______.
Identify the 'Spinal accessory' and 'hypoglossal' nerves.
The 'ramus communicans' is given out from ______ to ______ spinal nerve.
Autonomous nervous system carries sensation from the organs to the brain.
The shape of guard cells changes due to change in the
Give reason – All spinal nerves are of mixed type.
Write name, type and origin of following cranial nerve:
Number III
Give the name and function of VIth cranial nerve.
Which of the following is called the Dentist nerve?
Give the name and type of I, IV and VII cranial nerves.
