Some 40 million nerves run from two small olfactory bulbs deep inside the brain to the roofs of the nasal cavity, protected from outside influences only by a thin layer of mucus, write Time-Life Books editors in The Mysteries of the Human Body .

One reason why smell, of all the five senses, is the most emotionally evocative may be that the olfactory centres are surrounded by the limbic region, the part of the brain that controls emotions and plays a key role in the formation of memories.

Advertisement

"This intimate association explains why odours and emotions are linked," says the book. - (HealthScout News)

Read more:
Born to smell
How to smell if you're healthy
 

Print this article on

Rate this article Poor 1 2 3 4 5 Excellent

JOBS

Senior Secretary Gauteng - North/Sandton Infrastructure Resource Gauteng - Johannesburg Management Accountant R450,000-500,000 Per Annum Cost To Company Gauteng - Johannesburg Financial Manager R350,000-400,000 Per Annum Cost To Company Gauteng - Johannesburg Financial and Project Accountant R300,000-360,000 Per Annum Cost To Company Gauteng - Johannesburg Financial Accountant R380,000-420,000 Per Annum Cost To Company Gauteng - Johannesburg SSIS Business Intelligence Specialists (SSIS; SSAS) R350,000-500,000 Per Annum Cost To Company Gauteng - North/Sandton Financial Accountant R350,000-450,000 Per Annum Cost To Company Gauteng - South Find more jobs Register your CV Post a job