InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
ii) Writeany two differences betwen Central Nervous system andPeripheral Nervous system.ORi) Adrenaline is an emergency hormone. Why ? |
|
Answer» TheCNSinvolves the brain and spinal cord, and thePNSinvolves the bodynerves. B.TheCNS involves the bodynerves, and thePNSinvolves the brain and spinal cord. Adrenalineis ahormonesecreted by adrenal medulla during stress. This is called asemergency hormonebecause it initiates quick reation which makes the individual to think and respond quickly to the stress. The hormoneincreases metabolic rate. there occurs dialation of blood vessels going to heart and the brain. |
|