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Q. Why is a man’s voice usually lower than a woman’s voice?
Pitch of the voice-how low or high it sounds-it depends on the length, tension and thickness of the vocal cords. As males have longer vocal cords of up to 1 inch (2.54 centimetres) in length, male voice is deeper in pitch, whereas women and children with shorter cords have higher-pitched voices. Vocal cords in women average 0.167 inches (0.42 centimetres) in length. Testosterone is the hormone which is responsible for increase of length of male vocal cords during puberty.
Explain the Magnesium Deficiency and Toxicity? Deficiency of magnesium is rare for two reasons: frstly, the mineral is widely distributed in the foods, secondly, kidney is able
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