Why do Women have sweet voice?

Generally the voice of women is sweeter than that of men. Even boys have feminine voice till the age of eleven or twelve years. But later it starts becoming hoarse.

Normally, the age of eleven to thirteen years us known as the period of puberty. During this period some of glands produce certain hormones. These hormones bring many changes in the bodies of the boys produce a hormone called ‘testosterone’ which is mainly responsible for the change of voice.

Though this hormone is not produced in the girls, yet a slight change takes place in their voice also. The charge occurs mainly due to the further growth of their throat, mouth, nose and upper jaw. Due to all these factors women have a sweeter voice than men.

Why does tickling make us Laugh?

Tickling is a funny and pleasurable sensation that many people feel when touched gently at certain parts of the body such as the armpits, the sides of the body, aboveb the waist, and the soles of the feet. The usual reaction is a pleasant sensation accompanied by laughter.

lthough the phenomenon of laughing is not well understood, it has been suggested that touching certain small tune nerve ending just beneath the surface of the skin which produces this funny sensation. In addition the pulse quickens blood pressure rises a body becomes keyed up and alert.

ne of the odd things about tickling is that you cannot do it to yourself, and not all individuals react the same way. As people age, their response to tickling lessens.