https://padlet.com/connorscience/7rso4arw5hc5asle en-us 2020-09-27 20:44:23 UTC 2020-10-01 14:42:18 UTC hello@padlet.com connorscience https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782745434 2020-09-27 20:47:02 UTC https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782745434 connorscience https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782745946 A dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals. It is responsible for tanning of skin exposed to sunlight.]]> 2020-09-27 20:47:32 UTC https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782745946 connorscience https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782747204 An ethnic group or ethnicity is a named social category of people who identify with each other on the basis of shared attributes that distinguish them from other groups such as a common set of traditions, ancestry, language, history, society, culture, nation, religion, or social treatment within their residing area.]]> 2020-09-27 20:49:06 UTC https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782747204 connorscience https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782748179 Human migration involves the movement of people from one place to another with intentions of settling, permanently or temporarily, at a new location.]]> 2020-09-27 20:50:18 UTC https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782748179 connorscience https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782748556 Ultraviolet (UV) radiation is emitted by the sun and artificial sources, such as tanning beds. While it has some benefits for people, including the creation of Vitamin D, it also can cause health risks. Our natural source of UV radiation: The sun.

UV-B is responsible for the creation of vitamin D.

Ultraviolet A (UV-A) has a longer wavelength, and is associated with skin aging.

Ultraviolet B (UV-B) has a shorter wavelength and is associated with skin burning.

]]> 2020-09-27 20:50:45 UTC https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782748556 connorscience https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782748823 The major biological function of vitamin D is to maintain normal blood levels of calcium and phosphorus. Vitamin D aids in the absorption of calcium, helping to form and maintain strong bones.]]> 2020-09-27 20:51:06 UTC https://padlet.com/connorscience/7rso4arw5hc5asle/wish/782748823 connorscience https://padlet.com/connorscience/7rso4arw5hc5asle/wish/784294655 All previous generations]]> 2020-09-28 13:24:54 UTC https://padlet.com/connorscience/7rso4arw5hc5asle/wish/784294655 connorscience https://padlet.com/connorscience/7rso4arw5hc5asle/wish/787479162 Eumelanin is a dark pigment that predominates in black and brunette hair. There are two different types of eumelanin (brown eumelanin and black eumelanin). ]]> 2020-09-29 12:23:47 UTC https://padlet.com/connorscience/7rso4arw5hc5asle/wish/787479162 connorscience https://padlet.com/connorscience/7rso4arw5hc5asle/wish/792662111 A pigment is a colored material.]]> 2020-09-30 18:54:02 UTC https://padlet.com/connorscience/7rso4arw5hc5asle/wish/792662111