is a disorder with frequent episodes where large amounts of food and calories are consumed in a short period of time, with a feeling of no control followed by guilt. no purging follows these binges.

a- anorexia nervosa

b- binge eating disorder

c- bulimia

d- obesity

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 ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.