Thursday, April 15, 2010

E-Learning Assignment Part 3 (REG NO. 31-39)

1)Male seahorses get pregnant! Is this true? How?
The male seahorses don't really get pregnant as his sexual organs aren't those of a female. Instead, the female seahorse deposits her eggs into an opening in the front of the male's body, and he keeps them in his belly until they hatch, at which time they "squirt" out of him. So yes, in a sense the male seahorse gets pregnant


2)Sound travels 15 times faster through steel than through the air.Why?
Sound travels through steel faster air because of the particles inside the steel. Also , being a metal , there is a free electron inside the solid. So when sound passes through both of these, sound will travel faster through steel because they particles will vibrate faster. Transferring energy faster than through air.


3)Infants blink only once or twice a minute while adults average around 10. Why do we blink so many times? What is the purpose of blinking?!
We blink because it helps to keep our eyes moisturized and prevent any dust particles from entering our eyes.Blinking provide protection for eyes. Imagine if we can't blink . Our eyes will hurt and get disturbance from dust particles.


4)French kissing involves all 34 muscles in the face. Really? Which 34 muscles on the face? Show me a diagram and
Yes , French kissing involves. 34 facial muscles & 112 postura. It is the same amount of muscles needed to blow a kiss.

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