Answer : A, B , C
Explanation: the second option
Cultural knowledge is an important part of your cultural competence. ... For example, compare the various ways human beings greet one another – a handshake, a wave, a hug, a bow, a kiss on the cheek, or both cheeks – many of these are characteristic of specific cultures
Infectious diseases are transmitted from person to person by direct or indirect contact. Old people, pregnant people, and infants can get sick easier. Certain types of viruses, bacteria, parasites, and fungi can all cause infectious disease
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>
