1 A) removing wastes B) transporting blood C) conducting neuron impulses D) delivering oxygen 2 A) arteries, valves, arterioles B) arteries, veins, capillaries C) veins, arterioles, capillaries D) capillaries, arterioles, valves 3 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078802849/383924/ht.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (24.0K)</a>]]>
A) smooth muscle B) endothelium C) connective tissue D) valve 4 A) deoxygenated B) oxygenated C) oxygen-rich D) depressurized 5 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078802849/593012/hs.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (41.0K)</a>]]>
A) artery; largest cross section B) vein, medium sized cross section C) capillary; smallest cross section D) none of these 6 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078802849/383924/hx.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (13.0K)</a>]]>
A) to the pulmonary artery leading to the lungs B) to the right ventricle from the lungs C) to the left atrium from the lungs D) to the vein leading away from the body 7 A) clogged arteries decrease blood pressure B) clogged arteries put stress on heart C) clogged veins decrease blood pressure D) clogged veins increase blood volume 8 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078802849/383924/hu.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (18.0K)</a>]]>
A) SA node B) AV node C) excitable fibers D) atrium 9 A) Arteries must be rigid and inflexible. B) Arteries carry blood back to the heart. C) Artery blood exerts less pressure than blood in veins. D) Blood pumped from the heart exerts a high pressure. 10 A) DNA sequencing B) external respiration C) osmosis D) cellular respiration 11 A) tracheas B) alveoli C) capillaries D) cilia 12 A) putting ice on legs B) keeping legs and feet perfectly still C) moving feet up and down in bed D) keeping legs uncovered 13 A) dendrites B) lungs C) urethras D) kidneys 14 A) acid-base balance B) reabsorption C) homeostasis D) respiration 15 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078802849/383924/hy.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (49.0K)</a>]]>
A) renal artery B) renal cortex C) nephron D) renal pelvis
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