When the partial pressure of O2 in venous blood is 30 Torr, the saturation of myoglobin with O2 is , while the saturation of hemoglobin with O2 is .

0.91, 0.55

Explanation:

When the partial pressure of O2 in venous blood is 30 Torr, the saturation of myoglobin with O2 is 0.91 while the saturation of hemoglobin with O2 is 0.55

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.