The second statement best explains the type of blood vessel and the function of these vessels' valves - <span>These are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.
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Veins are large blood vessels which carry blood back to the heart. <span>Veins have a system of valves to prevent back-flow.</span>
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Answer: Electricity can travel through AED
Explanation: AED is Automated external defibrillator.
AED is used in patients that have cardiac arrest,it is used to re-establish or return back the heart rhythm of a patients whose heart stopped beating due to an illness or accident,the AED does so but analysing the heart rhythm of the victim and re-establishing an adequate heart rythym when shocked.
Using an AED is delicate,though it can be used in every weather condition, but the victim should be moved to a dry area because water is a good conductor of electricity,this is for the safety of both the victim of cardiac arrest and the Healthcare provider,when the pads are placed appropriately in the patient/victim,the AED analyzes the rhythm of the patient, if it is a shockable rhythm,the health care provider slightly moves away from the patient and press the shock button to deliver the shock.moving away of the healthcare provider is to avoid electrocution.
Answer:
There are many different diseases, but i would say the flu.
Explanation:
I've gotten the flu before, and just in general sharing germs can get us sick.
Often teens take risks due to peer pressure .
