Hope this helps !!!
Explanation:
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. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
D. changing who you are.
self-esteem is about being yourself not someone else. <span />
C. saying no to a risky situation. hope this helped!
Answer:
lack of iron, lack of vitamin b12
