301. 
In the middle of the day, our eyesight will be sharper.
In the middle of the day, our eyesight will be sharper.
302. 
A newborn baby has more than 26 billion cells.
A newborn baby has more than 26 billion cells.
303. 
Inner ear is the main organ of balance.
Inner ear is the main organ of balance.
304. 
Yawning brings more oxygen to the lungs.
Yawning brings more oxygen to the lungs.
305. 
Human speech is produced by the interaction of 72 muscles.
Human speech is produced by the interaction of 72 muscles.
306. 
A New born baby loses about half of its nerve cells before it is born.
A New born baby loses about half of its nerve cells before it is born.
307. 
A neglected child brain can be substantially smaller than that of a healthy child.
A neglected child brain can be substantially smaller than that of a healthy child.
308. 
On an average, the number of connections in the brain increases from 50 trillion to 1 quadrillion in a newborn during his first month of life.
On an average, the number of connections in the brain increases from 50 trillion to 1 quadrillion in a newborn during his first month of life.
309. 
On an average it takes about 13 days for a grey hair to grow.
On an average it takes about 13 days for a grey hair to grow.
310. 
Healthy human hair emits sound.
Healthy human hair emits sound.
311. 
The nerve cells present in the nose, allows us to smell and regenerates through out ones life.
The nerve cells present in the nose, allows us to smell and regenerates through out ones life.
312. 
Reading aloud to children helps to stimulate brain development.
Reading aloud to children helps to stimulate brain development.
313. 
A hair grows by 0.3 to 0.5 mm per day, 1 to 1.5 cm per month and 12 to 15 cm per year.
A hair grows by 0.3 to 0.5 mm per day, 1 to 1.5 cm per month and 12 to 15 cm per year.
314. 
Children lose an average of 90 hairs per day, which increases to 120 by old age.
Children lose an average of 90 hairs per day, which increases to 120 by old age.
315. 
A childs ability to learn can increase or decrease by 25 % or more depending on whether the child grows up in a stimulating environment.
A childs ability to learn can increase or decrease by 25 % or more depending on whether the child grows up in a stimulating environment.
316. 
On an average a persons head has 100, 000 to 150, 000 hair.
On an average a persons head has 100, 000 to 150, 000 hair.
317. 
A single hair has the ability to support up to 100 grams of weight and the whole hair has the ability to support up to 12 tones of weight.
A single hair has the ability to support up to 100 grams of weight and the whole hair has the ability to support up to 12 tones of weight.
318. 
The pigment of human hair is produced in the shaft of hair beneath the skin.
The pigment of human hair is produced in the shaft of hair beneath the skin.
319. 
The width of an average human brain is 140 mm.
The width of an average human brain is 140 mm.
320. 
It takes 5- 30 seconds to chew food.
It takes 5- 30 seconds to chew food.
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