Answer:
A tourniquet should be at least 4cm wide to prevent localised damage to nerves tissues. A tourniquet must be put on sufficiently tight to stop the bleeding. If it is not tight enough it can actually end up increasing blood loss. It may be necessary to apply more than one tourniquet to completely stop bleeding. It should also be roughly 4-5 cm from the draw point.
Explanation:
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Answer:
The hairs on the skin also help to control body temperature.
Explanation:
They lie flat when we are warm, and rise when we are cold. The hairs trap a layer of air above the skin, which helps to insulate the skin against heat loss. The hypothalamus is the part of the brain which monitors the body's temperature.
Answer:
Mathematical
Explanation:
Most times when analysis of a system is done by engineers with the aim of optimizing and controlling the system, mathematical model is used. When engineers aim to analyze a system, they build a descriptive model of the intended system for analysis as a hypothesis of the working principle of the system or they use it to estimate how an emergency event could impact the system.
