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.
APPEARS IN
संबंधित प्रश्न
Identify the 'Spinal accessory' and 'hypoglossal' nerves.
Branches of which nerve innervate the parotid salivary glands?
Which cranial nerve controls the movement of neck and tongue?
Ophthalmic, maxillary and Mandibular nerves are branches of ____________ cranial nerve.
______ carries sensation’s from the organs to the brain.
The shape of guard cells changes due to change in the
Give the name, type and origin of the following cranial nerve:
Number-II
Give reason – All spinal nerves are of mixed type.
Give the name and function of VIIth cranial nerve.
Give the name and function of VIIIth cranial nerve.
