The sodium-potassium ion pump will __________. pump three sodium ions out of the cell for every two ions of potassium it brings into the cell. A neuron will not respond to a second stimulus of equal strength to the first stimulus to which it has already responded because __________.
To answer that question, let's start by taking a look at the structure of your skin. While your skin is made of three layers including the subcutis and the dermis, hot showers affect the outermost layer, the epidermis.The epidermis is mostly composed of skin cells loaded with keratin, the same substance that makes up your hair and nails.o answer that question, let's start by taking a look at the structure of your skin. While your skin is made of three layers including the subcutis and the dermis, hot showers affect the outermost layer, the epidermis.
Epidermis: The upper or outer layer of the two main layers of cells that make up the skin. The epidermis is mostly made up of flat, scale-like cells called squamous cells. Under the squamous cells are round cells called basal cells. The deepest part of the epidermis also contains melanocytes. These cells produce melanin, which gives the skin its color. The other main layer of the skin is the dermis, the inner layer of skin, that contains blood and lymph vessels, hair follicles, and glands.