Categorieën: Alle - nervous - hormone

door Mandisa Masunda 3 jaren geleden

185

Luella's Nervous System

The nervous system is divided into the central and peripheral systems. The central nervous system includes the brain and spinal cord, while the peripheral nervous system encompasses the autonomic and somatic systems.

Luella's Nervous System

Luella's Nervous System

Central Nervous System

Brain and spinal cord

Peripheral Nervous System

Autonomic
Parasympathetic

Coronary arteries vasoconstriction (serotonin Hormone)

Small intestines and large intestines (peristalsis ,secretion increased,digestion and absorption increased(Gastrin)

Bladder,smooth muscles of wall contracted(sphincters relaxed

Otic

Heart ,Rate and force of contraction decreased

Pterygopalatine

saliva secretion

Submandibular

Saliva secretion increased

Ciliary

Pupil Constricted

Sympathetic

skin increases sweat secretion(cholecalciferol)

Bladder -Smooth Muscle Wall Slightly Relaxed,Sphincter Closed

Kidneys Urine Secretion Decreased

Large And Small Intestine Peristalsis And Tone Reduced,Sphincter Closed

Liver -Glucose Conversion Increased (glucagon)

Stomach Peristalsis Reduced,Sphincters Closed

Trachea ,Bronchi Dilation

Heart Rate Increased (adrenaline)

Mouth Dry

Subtopic

Pupil Dilation

Somatic
Walking and eating