Influence of the sympathetic and parasympathetic divisions of the autonomic nervous system on the activity of some organs.

Organ Excitations carried out along the nerves
sympathetic parasympathetic
A heart Increased and increased heart rate Slowing down the pace and easing contractions
Blood vessels Vasoconstriction, increased blood pressure Expansion of blood vessels in some organs
Pupil Expansion Constriction
Lacrimal glands Decreased secretion Increased secretion
Stomach Weakening of juice secretion Strengthening juice secretion
Intestines Easing undulating movements Strengthening undulating movements
Salivary glands Scanty salivation Profuse salivation
Sweat glands Increased perspiration Reduced sweating
Bladder Accumulation of urine Excretion of urine
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.