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>
Answer:
#2 Heart rate monitor
Explanation:
To make sure she is keeping track of her heart rate
Answer:
Studies show that living with domestic violence can cause physical and emotional harm to children and young people in the following ways: ongoing anxiety and depression. emotional distress. eating and sleeping disturbances.
Explanation: