SCIENCE
NERVOUS SYSTEM
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Dilation of the pupils
|
|
|
Elevation of the heart rate
|
|
|
Increased blood flow to skeletal muscle
|
|
|
increased activity of the digestive system
|
Detailed explanation-1: -The sympathetic nervous system moves blood away to other organs, interferes with the regular contractions of the muscles along the digestive tract and decreases secretions needed for proper digestion.
Detailed explanation-2: -Resting and digestion are not regulated by the sympathetic nervous system.
Detailed explanation-3: -Its effects include increasing your heart rate and breathing ability, improving your eyesight and slowing down processes like digestion.
Detailed explanation-4: -The following changes take place on activation of the sympathetic nervous system: Heart rate and cardiac muscle contractility increase. The ciliary muscle relaxes, and the pupil becomes dilated for the betterment of far vision. Bronchodilation of the lungs.