Amazing Medical Facts of the Body- part 16

301.	On an average, the human blood circulates the body for every 23 seconds.
302.	In an average person, it takes 8 seconds for food to travel down the food pipe,3-5 hours in small intestine and 3-4 days in large intestine.
303.	The brain continues to send out electric wave signals until approximately 37 hours after death.
304.	People under 30 years of age take in double the amount of oxygen as people over 80 years of age.
305.	The human body takes 6 hours to digest a high fat meal and it takes 2 hours for a carbohydrate meal.
306.	On an average an adults heart pumps about 4,000 gallons of blood each day.
307.	The muscles of our body constitute 40% of our body weight.
308.	Iris is the part of the eye that determines the color of the eye.
309.	Red Blood Cells comprise about 40 % of blood volume.
310.	The human eye contains structures called Rods and cones. Rods register the shapes of images and respond to low levels of light and Cones responds to bright lights and registers the color of images.
311.	We tend to get cold very easily in the winter season because we are indoors and in close proximity to each other.
312.	Our Muscles often work in pairs so that they can pull in different or opposite directions.
313.	The left side of the human heart is much thicker and stronger than the right side
314.	Human blood is a make up of Red Blood Cells carrying oxygen, White Blood Cells that fight disease, Platelets that help the blood to clot and a liquid called plasma.
315.	Human hair is made up of a body protein called keratin and it grows out of an opening of the skin called Follicle.
316.	Every day 440 Gallons of blood flows through the kidney.
317.	Red Blood Cells lasts only for about 4 months before they wear out.
318.	Every minute 30,000 to 40, 000 dead skin cells fall from our body.
319.	Straight hair lies flat because it is round and grows out of round follicles.
320.	Curly hair comes out of an oval follicle.

Source:medindia.net

Engr.Sulthan