The three forms of skin cancer are defined by the types of cells from which they originate

Melanoma is the rarest out of these forms of skin cancer, but it is the most dangerous and can be fatal.

It's a malignant tumor that originates in melanocytes which are the cells that produce melanin (the pigment that gives colors to the skin, hair and eyes).

plant because they survive by water, sunlight, ex.

explanation:

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.