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.
The epidermis contains no blood vessels, and is nourished by diffusion from the dermis. The main type of cells which make up the epidermis are keratinocytes, melanocytes, Langerhans cells and Merkels cells. The epidermis helps the skin to regulate body temperature.he dermis is the layer of skin beneath the epidermis that consists of epithelial tissue and cushions the body from stress and strain. The dermis is tightly connected to the epidermis by a basement membrane. It also harbors many nerve endings that provide the sense of touch and heat.