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Embed code for: Why do Humans Cry
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Lol I love Science
Estrogen VS Testosterone
30 -64 How Many Times 6-17
Woman have 60% more Prolactin in there bodys. Prolactin is a reproductive hormone which is also found in tears. Prolactin is released from the anterior pituitary gland that stimulates milk production after childbirth.
Testosterone inhibits crying, but does not come into effect until 13 years of age.
Average of 6 minutes and 2-4 minutes
Basal Tears - The cornea of the eye is protected by this layer of liquid.
mucus layer- moisturized and spread evenly
aqueous layer- vitamins and nutrients keeping the cornea healthy. plus salt witch acts as an antibacterial.
lipid layer- oils that act as a sealant to stop your tears from evaporating and helps keep out bacterias. makes your vision sharp.
Reflex tears - Only released when foreign particles come in contact with the eye at the cornea level.
Psychogenic Tears - All types of emotions can trigger this action, but no matter who you are they all come from the same area.
The Lacrimal Gland: Sits right above your eyeball. it is easally one of the most complex systems in the whole human body. after a tear has been spread evenly amongst your eye it has two possible exit routes. the most standard is the Lacrimal Punctum.
The Lacrimal Punctum - is a gland that drains tears along the side of your nose and that is why your nose gets stuffy when you cry.
Their is a part of your brain that specifically deals with your emotions. This is called the
The Limbic System: It has control every major organ in the entire body. The reason why the Limbic System alerts the Autonomic Nervous System to command the Lacrimal Glands to reproduce Psychogenic Tears in order to relieve our bodies from stress. Stress causing chemicals that build up when we are under emotional tension are physically removed from our body in our tears when we cry. Crying also stimulates the release of endorphins in the brain.
Endorphins - A happy Chemical in that relieve stress and list up your mood.
Humans are genetically programmed to feel sympathy for people who are in tears.
Crying has been proven to lower your blood pressure, removes unwanted toxins and helps regulate your immune system. People who recently had a good cry were less susceptible to allergic reactions and eczema.