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Human variability, or human variation, is the range of possible values for any characteristic, physical or mental, of human beings. Frequently debated areas of variability include cognitive ability , personality , physical appearance ( body shape , skin color , etc.) and immunology .
The most often cited MPA, high arched palate, is described in articles as a microform of a cleft palate. [3] Cleft palates are partly attributable to hypoxia. [ 4 ] The vaulted palate caused by nasal obstruction and consequent mouth breathing, without the lateralising effect of the tongue, can produce hypoxia at night.
There are many instances of mythological characters showing signs of a deformity.. Descriptions of mermaids may be related to the symptoms of sirenomelia.; The Irish mythology includes the Fomorians, who are almost without exception described as being deformed, possessing only one of what most have two (eyes, arms, legs, etc.) or having larger than normal limbs.
[2] [page needed] Unlike other subdivisions within biological psychology, the main focus of psychological research is the development of theories that describe brain-behavior relationships. Physiological psychology studies many topics relating to the body's response to a behavior or activity in an organism. [3]
Fear of perceived body image flaws, misconceptions about one’s own physical appearance, body-checking behavior Body dysmorphic disorder ( BDD ), also known in some contexts as dysmorphophobia , is a mental disorder defined by an overwhelming preoccupation with a perceived flaw in one's physical appearance. [ 1 ]
According to the Centers for Disease Control and Prevention (CDC), most birth defects are believed to be caused by a complex mix of factors including genetics, environment, and behaviors, [13] though many birth defects have no known cause. An example of a birth defect is cleft palate, which occurs during the fourth through seventh weeks of ...
For example: The muscles acquired by a bodybuilder through physical training and diet. The loss of a limb due to an injury. The miniaturization of bonsai plants through cultivation techniques. Acquired characteristics can be minor and temporary like bruises, blisters, or shaving body hair.
About 3% of newborns have a "major physical anomaly", meaning a physical anomaly that has cosmetic or functional significance. [21] Developmental defects manifest in approximately 3% to 5% of newborns in the United States, between 2% to 3% of which are teratogen-induced. [22] Congenital disorders are responsible for 20% of infant deaths. [23]