The correct answer is b. blood vessels and sweat glands.
Explanation:
Blood vessels and sweat glands are mostly responsible for the regulation of body temperature. When the body temperature becomes low the blood vessels and capillaries present under the skin get shrinks that reduce the blood flow which results in heat loss reduction and vice versa happens when body temperature rises too much.
Sweat glands are present everywhere in our body and it release sweat which contains water and salt. When body temperature rises too much body release sweat and its evaporation cause cooling of the body.
Therefore blood vessels and sweat glands are the structures in the dermis that helps in thermoregulation.
AC frequency is the number of periods per moment in an alternating current (ac) sine wave. Said different mode, the frequency is the scale at which the current varies course per instant. It is estimated in hertz (Hz), a global unit of measure wherever 1 hertz is equivalent to 1 cycle per instant.
Explanation: By giving your body proper nutrition and taking care of it, it will respond well. This includes the skin, which will look healthier with proper care.
Airborne viruses and bacteria are sampled and concentrated in a liquid matrix, which prevents desiccation and facilitates subsequent analysis procedures, such as extraction of DNA or RNA;
