Answer:
The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.
Increasing extracellular K+ increases the positive charge outside the cell, making the inside of the cell (membrane potential) more negative. This inhibits net diffusion of Na+ into or out of the cell.
Answer:Antagonist, which is a drug that inhibits the production of a chemical in the body. This is the opposite of an agonist drug.
Answer:
Poliovirus attacks the motor neurons of the brain stem reducing breathing capacity and causing difficulty in swallowing and speaking.
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