Humans evolved to have darker skin tones if their ancestors lived near the equator because the darker melanin in dark skin protected the person from the breakdown of ______________ by the sun's rays.

People who migrated to the northern regions of earth evolved to have lighter skin tones. A lighter skin tone allowed them to capture more of the sun's rays to use for the synthesis of ____________.

_______________ is a chemical that the body needs to absorb calcium and grow bones.

___________ is a B complex vitamin that is needed for healthy sperm production and the normal development of a baby.

There are _________________ types of melanin that are produced in human skin.

What is structure 1?

What is structure 5?

What is structure 14?

During which phase of wound healing does vasodilation occur?

Which area would contain adipose tissue?

What is the most dangerous form of skin cancer, often characterized by black or dark brown patches on the skin that may appear uneven in texture, jagged, or raised?

A ____________ is a slightly raised mark on the skin formed after an injury or lesion of the skin has healed.

Most common and least severe type of skin cancer; often characterized by light or pearly nodules

Based on the data observed in the picture, which skin disease or disorder does this patient likely have?

What tissue is this?