Blood enters the heart through two large veins the inferior and superior vena cava emptying oxygen-poor blood from the body into the right atrium of the heart As the atrium contracts blood flows from your right atrium into your right ventricle through the open tricuspid valve
<span>Some of the factors that influence emotional changes throughout adolescence are: increased sensitivity to criticism, change in self perception, change in the manner in which adolescent are treated, increased desire for independent living, increased desire for social acceptablility, crisis with self-confidence, etc.</span>
Answer:
Prefixes are added to the beginning of the root, and suffixes are added to the end of the root.