Did you know?
The heart of an average woman about 8 oz (250 grams).
The heart of an adult man is heavier and weighs around 10 oz (300 grams).
Friday, January 26, 2007
What is the purpose of yawn ?
One usually yans when bored or tired.
yawning makes you draw in breath, filling your lungs with air (searching for oxigen).
This increase the oxygen supply to the blood to help wake yourself up.
yawning makes you draw in breath, filling your lungs with air (searching for oxigen).
This increase the oxygen supply to the blood to help wake yourself up.
inhale & exhale
The rate at which a person breathes varies according to his/her age.
* A new born baby breathes in & out about 65 times per minute.
* by the age 15, the number of breaths decrease about 20 times per minute.
* When he/she reacing to 40s , breathing rate approximately to 18 times per minute.
These figure vary according to health, fitness level and wheater or not one is standing still or is active at the time.
* A new born baby breathes in & out about 65 times per minute.
* by the age 15, the number of breaths decrease about 20 times per minute.
* When he/she reacing to 40s , breathing rate approximately to 18 times per minute.
These figure vary according to health, fitness level and wheater or not one is standing still or is active at the time.
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