Answers (Already Graded A+) (2024 Update)
The three layers of the skin - ANSWER- epidermis
dermis
subcutaneous tissue
Basal cells - ANSWER- *Parent cell* Oblong cells that give "birth" to KERATINOCYTES.
Keatinocytes - ANSWER- Create the seal between skin & the outside environment, the cells
the become tanned.
Horny layer - ANSWER- Dead skin layer on the top of the skin that acts as a sealant, protecting
you from the environment.
germinative layer - ANSWER- "Living epidermis," constantly reproducing and pushing older
cells upward through the horny layer ("dead epidermis")
Melanocytes - ANSWER- cells that produce melanin - the protein that turns brown and gives
your skin its tan.
UV waves are - ANSWER- INVISIBLE TO THE HUMAN EYE
UVB - ANSWER- "melanin producing ray" or perhaps the "melanin activation ray", some
UVB is needed to both start the tanning process and TO KEEP IT GOING
UVA - ANSWER- "tanning ray" or the "melanin browning ray" penetrates deeper into the skin,
very effective at browning melanin