Red blood cells:
a. measured 15 um in diameter
b. do not contain mitochondria
c. have a life span of 120 days in the circulation
d. are released from the bone marrow as mature erythrocytes
a. measured 15 um in diameter
b. do not contain mitochondria
c. have a life span of 120 days in the circulation
d. are released from the bone marrow as mature erythrocytes