The Body's Transport System

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
:Fights infection

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

4) Which of the following describes the correct path of blood through the circulatory system?

:Heart>lungs(capillaries)>veins>arteries>heart
:Heart>arteries>veins>lungs(capillaries)>heart
:Heart>arteries>lungs(capillaries)>veins>heart***
:Heart>veins>lungs(capillaries)>arteries>heart