Blood that has been depleted of oxygen but contains carbon dioxide and waste matter enters the heart in which chamber?

1 right atrium 3 left atrium
2 right ventricle 4 left ventricle

Processed lowfat foods are typically low in calories t f

Andrew loves to go camping and hiking in the fall. about two weeks after his last camping trip, he noticed an expanding red, target shaped, rash on his arm. to avoid this illness, andrew should have select one: a. boiled his water before drinking. b. avoided contact with ticks. c. avoided contact with fleas found on mice. d. camped only in the spring.

What are 6 levels of organization for anatomy and psychology