2007-07-10 01:25:50 · 5 answers · asked by erzebet 2 in Science & Mathematics ➔ Medicine
pain evolved as a protective mechanism. when you sense pain, you withdraw from the painful stimulus to prevent further injury. from an evolutionary standpoint, being able to sense pain in the brain for instance probably didn't offer any additional advantage to sensing pain only in the scalp or skull.
2007-07-10 03:54:36 · answer #1 · answered by belfus 6 · 1⤊ 0⤋
The brain, the liver, most of the large intestine (the end has them), and surely others.
2007-07-10 08:34:13 · answer #2 · answered by Anonymous · 0⤊ 0⤋
coz there is no need for them in those places...what can u do if u feel pain from a stroke or a heart attack?..can u re-open the arteries by ur self?
2007-07-10 14:22:22 · answer #3 · answered by ldl990 4 · 0⤊ 0⤋
Parietal part of pleura,peritoneum,and pericardium are devoid of pain nerve endings . The reason is not known.
2007-07-10 10:30:21 · answer #4 · answered by J.SWAMY I ఇ జ స్వామి 7 · 0⤊ 1⤋
brain, many internal organs
2007-07-10 08:28:47 · answer #5 · answered by Anonymous · 0⤊ 0⤋