<span>A is the correct answer. The developmental norms are stages at which humans typically develop the ability to successfully complete an activity without aid, for example, being able to walk. When people have reached the age of the norm and cannot complete the activity, there may be cause for concern.</span>
heart diseases if u exercise every day u lower your chances of having if exercise every your likely not to get it
diabetes if u eat healthy and not eat as much sugar to not diabetes
coner cancer if u exercise and not be stress u prevent this buy not having stress or exercise to prevent maybe do hobby u love
high blood pressure this comes by being in stress like coner cancer u prevent by not being stress do something to relieve you (don't do smoke beer or do something illegal tho) maybe a hobby or sport or hang out with your friends
D. oxygen,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
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.
</span>
Veins are large blood vessels which carry blood back to the heart. <span>Veins have a system of valves to prevent back-flow.</span>
Cancer registrars<span> are data information specialists that capture a complete history, diagnosis, treatment, and health status for every </span>cancer<span> patient in the U.S.
</span>
