No,it does not involve in birth.Oxytocin hormone does that.
The CFC's released are causing this. These are released by humans.
Contractions are initiated by the calcium-activated phosphorylation of myosin rather than calcium binding to troponin.
Muscle contractions would be prevented, causing paralysis.
YES, + feedback systems enhance or intensify the stimulus. Eg. of a + feedback system = childbirth
The "arrectores pilorum" or hair erector muscles elevate the hair follicles above the rest of the skin causing what we call " Goose Bumps "
When you lie endorfins are released on your nose causing it to itch. Do not scratch your nose, do not blink a lot, and use contractions such as wouldn't instead of would not. Actually, endorphins are only released by the brain. They cannot be released by your nose. Although the above answer about "don't scratch your nose" whilst lying, or contradicting yourself. Looking directly at the person you're lying to helps, rather than looking over their shoulder, or to your left.
Peristaltic contractions are defined as the contraction of smooth muscles that moves food through the digestive system. In some cases, a medical condition can lead to spasms in these muscles causing pain or difficulty in swallowing. A few of the more common causes include pyloric stenosis and an intestinal obstruction.
if it is music you like, dopamine is released causing you to feel happy
Glycerin acts as a lubricant and a mild irritant and stimulates the muscles of the intestine, causing it to contract. The contractions help to move the stools along and makes passing them out of the body much easier.
Healthline - 2006 Cancer Causing Agents was released on: USA: 2007
antidiuretic hormoneADH (anti diuretic hormone or vasopressin) decreases water loss via urine by causing water reabsorbtion in collecting tubules thus decreases diuresis (urine outcome).Diuretics like Prostaglandins increase water loss via urine .
calcium ion