stage fright or when some one is scared. There maybe a little part inside everyone's head that turn off the voice box because they think their scared or shy.
It is inflammation of the larynx which is your "voice box"
Losing your voice can happen due to overuse, such as yelling or singing for long periods. Common causes of voice loss include viral infections, vocal strain, acid reflux, and smoking.
a voice coil is the electromagnet that causes a speaker horn to move in response to the electrical impulses received from the amplifier.
Testosterone is the hormone that causes elongation of the vocal cords and thus a deeper voice.
laryngitis http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0002361/
no but, it causes your voice box to get a high pitched noise when you talk
The hormone responsible is testosterone. This hormone causes a lot of changes including the voice.
The vocal cords lengthen ad you get taller
she felt that she would be herd
Laryngitis is a condition of where your voice box( larynx) becomes inflammed which causes your voice to sound raspy or hoarse. I know this because I've had this condition before.
Voice cracks during puberty occur due to the growth of the larynx, or voice box, which causes the vocal cords to lengthen and thicken. This growth happens at different rates for boys and girls, leading to temporary instability in the voice and resulting in voice cracks.
The voice deepens in the morning due to the relaxation and swelling of the vocal cords during sleep, which causes them to vibrate at a lower frequency and produce a deeper sound.