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 does not contain any blood vessels but is nourished via the blood vessels located in the dermis. Hence, the dermis is richly supplied with blood vessels, lymphatic vessels and nerves. It also contains hair follicles, sebaceous glands and sweat glands. Lying below the dermis is the hypodermis or subcutaneous fat tissue. This is not part of the skin but attaches the skin to underlying bone and muscle as well as supplying it with blood vessels and nerves. Traditionally thermal injuries were classified as first, second or third degree burns.