WITH ANSWERS UPDATED .
cardiovascular system - Correct Answer -the blood, heart, and blood vessels
blood - Correct Answer -a connective tissue also known as vascular tissue
formed elements of blood - Correct Answer -erythrocytes, leukocytes, platelets
erythrocytes - Correct Answer -red blood cells, carry oxygen and carbon dioxide
thrombocytes - Correct Answer -platelets, blood-clotting cell fragments
agranulocytes (agranular leukocytes) - Correct Answer -monocyte and lymphocytes
lymphocytes - Correct Answer -large, darkly stained, spherical nucleus occupies most of the
cell
monocytes - Correct Answer -usually have a large, darkly stained "U" or kidney-shaped
nucleus
granulocytes (granular leukocytes) - Correct Answer -neutrophils, eosinophils, basophils
eosinophils - Correct Answer -show large red granules in a clear cytoplasm. the nucleus is bi-
lobed
neutrophils - Correct Answer -have fine reddish granules in a pale pink cytoplasm. the
nucleus has 3-5 lobes
basophils - Correct Answer -have a clear cytoplasm with purplish-black granules. the nucleus
is a "S" or "U" shape
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