1. Which of the following is not a function of the circulatory system?
breaks down large molecules
delivers oxygen to body cells ****
takes carbon dioxide away from body cells
2. Which of the following explains why the heart is organized so that it pumps
blood to two different locations?
to supply blood to two different sides of the body
to allow a way for the blood to pick up new blood cells
to move oxygen-poor blood through the lungs and to move oxygen-rich blood
to the rest of the body
to provide a way for blood to pick up nutrients at one location and oxygen at another ****
3. Which set of terms below would be the best choice to use to describe
the components of blood?
leukocytes, ventricle, atrium, aorta
platelets, plasma, erythrocytes, leukocytes ****
electrolytes, artery, vein, cardiac
antibodies, hemoglobin, pulmonary, systemic
#1 is not correct.
Breaking down large molecules into smaller ones helps the body absorb nutrients from different kinds of food.
#2 The circulatory system has the main function of collecting carbon dioxide excreted by cells in different parts of the body and exchange for oxygen in the lungs.
#3 is correct. All items listed are constituents of blood.posted by MathMate