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>
<span>The health triangle is made up of the 3 elements of health; physical, mental/emotional, and social. It shows us how things affect us in each aspect, and shows us how we need to try to balance these aspects in our life. It is so difficult for individuals to actually obtain this balance, called wellness, because we constantly have so much going on in our lives and we can't always keep everything balanced.</span>
Answer:
The muscles that make up the hamstring group are the semitendinosus, semimembranosus, and bicep femoris.
Explanation:
Answer: bargaining.
Explanation:
He is saying he will be a better person if he does not have to lose his leg, which is a way of bargaining.
The most common warning symptoms of a heart attack for both men and women are:
Chest pain or discomfort.
Upper body discomfort
Shortness of breath.
